Here are the answers to the given questions:
1. The answer is D (pear). The reason is that 'pear' is the only word with 'pear' ending in /pɛr/ sound (a long e sound), whereas 'hear', 'near', and 'fear' all end in /ɪr/ (a short i sound).
2. The answer is A (gather). The reason is that 'gather' is the only word pronounced with /gæðər/ (containing the "g" sound), whereas the other options are pronounced with /mənθli/ (monthly), /fɑðər/ (father), and /brəðər/ (brother) (all containing the "th" sound).
3. The answer is A (favorite). The reason is that 'favorite' is the only word pronounced with /feɪ/ (long a sound), whereas 'slight' is pronounced with /slaɪt/ (long i sound), 'fine' is pronounced with /faɪn/ (long i sound), and 'high' is pronounced with /haɪ/ (long i sound).
4. The answer is A (tomato). The reason is that 'tomato' is the only word with /təˈmɑtoʊ/ (unstressed "to" sound and long a sound), whereas 'nature' is pronounced with /neɪʧər/ (long a sound), 'bath' is pronounced with /bæθ/ (short a sound), and 'nation' is pronounced with /neɪʃən/ (long a sound).
5. The answer is D (both). The reason is that 'both' is the only word with /boʊθ/ (long o sound and voiceless th), whereas 'tooth' is pronounced with /tuθ/ (short u sound and voiceless th), 'there' is pronounced with /ðɛr/ (short e sound and voiced th), and 'bath' is pronounced with /bæθ/ (short a sound and voiceless th).
6. The answer is A (started). The reason is that 'started' is the only word with /stɑrtɪd/ (short a sound), whereas 'worked' is pronounced with /wərkt/ (schwa sound), 'waited' is pronounced with /weɪtɪd/ (long a sound), and 'wanted' is pronounced with /wɔntɪd/ (short o sound).
7. The answer is C (cloth). The reason is that 'cloth' is the only word with /klɔθ/ (short o sound), whereas 'fold' is pronounced with /foʊld/ (long o sound), 'close' is pronounced with /kloʊz/ (long o sound), and 'hold' is pronounced with /hoʊld/ (long o sound).
8. The answer is B (liked). The reason is that 'liked' is the only word with /laɪkt/ (long i sound and k sound), whereas 'needed' is pronounced with /nidɪd/ (short i sound and d sound), 'washed' is pronounced with /wɑʃt/ (short a sound and sh sound), and 'hoped' is pronounced with /hoʊpt/ (long o sound and p sound).
9. The answer is D (decided). The reason is that 'decided' is the only word with /saɪdɪd/ (long i sound), whereas 'started' is pronounced with /stɑrtɪd/ (short a sound), 'worked' is pronounced with /wərkt/ (schwa sound), and 'waited' is pronounced with /weɪtɪd/ (long a sound).
10. The answer is D (widely). The reason is that 'widely' is the only word with /waɪdli/ (long i sound), whereas 'bicycle' is pronounced with /baɪsɪkəl/ (long i sound), 'exciting' is pronounced with /saɪtɪŋ/ (long i sound), and 'favorite' is pronounced with /feɪvərɪt/ (long a sound).
11. The answer is C (gold). The reason is that 'gold' is the only word with /goʊld/ (long o sound), whereas 'doctor' is pronounced with /dɔktər/ (short o sound), 'opening' is pronounced with /oʊpənɪŋ/ (long o sound), and 'postcard' is pronounced with /poʊstkɑrd/ (long o sound).
12. The answer is B (earth). The answer is A (father) and B (earth) are tied, both pronounced with /ərθ/ and /ɑðər/, whereas 'both' is pronounced with /boʊθ/ (long o sound and voiceless th), and 'marathon' is pronounced with /mɛrəθɑn/ (short e sound and voiceless th).
13. The answer is A (fear). The reason is that 'fear' is the only word with /ɪr/ (short i sound), whereas 'repeat' is pronounced with /rɪpit/ (short i sound), 'idea' is pronounced with /aɪdiə/ (long i sound), and 'really' is pronounced with /rili/ (short i sound).
14. The answer is D (played). The reason is that 'played' is the only word with /pleɪd/ (long a sound), whereas 'arrived' is pronounced with /əraɪvd/ (schwa sound), 'watched' is pronounced with /wɔʧt/ (short o sound), and 'listened' is pronounced with /lɪsənd/ (short i sound).
15. The answer is C (stopped). The reason is that 'stopped' is the only word with /stɑpt/ (short a sound), whereas 'arrived' is pronounced with /əraɪvd/ (schwa sound), 'watched' is pronounced with /wɔʧt/ (short o sound), and 'washed' is pronounced with /wɑʃt/ (short a sound).
16. The answer is A (works). The reason is that 'works' is the only word with /wərks/ (schwa sound), whereas 'plays' is pronounced with /pleɪz/ (long a sound), 'wants' is pronounced with /wɔnts/ (short o sound), and 'stops' is pronounced with /stɑps/ (short a sound).
17. The answer is D (rewarded). The reason is that 'rewarded' is the only word with /rɪwɔrdɪd/ (short i sound), whereas 'designed' is pronounced with /dɪzaɪnd/ (short i sound), 'received' is pronounced with /rɪsivd/ (short i sound), and 'cycled' is pronounced with /saɪkəld/ (long i sound).
Here are the correct answers to the verb forms:
1. Ba usually **plays** football on the weekend.
2. (The sentence seems incomplete. Please provide the complete sentence for accurate assistance.)
3. If the weather's cold, I **won't go** to the Australian Museum.
4. She **was** very sick yesterday.
5. **Is** Hoa **staying** at a very nice hotel in the south of France at the moment?
6. You should **bring** bottled water so you don't get thirsty.
7. The stories **were** so boring yesterday. I couldn't finish them.
8. He usually **watches** the film on TV at night.
9. We **had** a great time at the party yesterday.
10. Minh often **makes** breakfast for his family.
Here are the answers:
1. C. yours
2. C. its
3. C. remote
4. B. What
5. an