Here are the answers to each group:
1. The word whose underlined part is pronounced differently is "hour". In the words "horror", "here", and "hard", the underlined part is pronounced as /h/, /hɑr/, or /hɑrd/. However, the word "hour" is pronounced as /aʊər/, which is different from the others.
2. The word whose underlined part is pronounced differently is "suggestion". In the words "action" and "fiction", the underlined part is pronounced as /ˈækʃən/ and /ˈfɪkʃən/, respectively. However, the word "suggestion" is pronounced as /səˈʤɛsʧən/, which starts with a schwa sound, whereas the other three start with a stressed syllable.
3. The word whose underlined part is pronounced differently is "birthday". In the words "three" and "there", the underlined part is pronounced as /θri/ and /ðɛr/, respectively. However, the word "theater" is pronounced as /ˈθieɪtər/, which is also with /θ/. On the other hand, the word "birthday" is pronounced as /ˈbərθdeɪ/, with a different initial sound.
4. The word whose underlined part is pronounced differently is "general". In the words "terrible", "comedy", and "president", the underlined part is pronounced as /ˈtɛrəbəl/, /ˈkɑmədi/, and /ˈprɛzɪdənt/, respectively. However, the word "general" is pronounced as /ˈʤɛnərəl/, which starts with a /ʤ/ sound, whereas the other three start with /t/, /k/, or /pr/ sounds.
5. The word whose underlined part is pronounced differently is "notice". In the words "movie", "close", and "show", the underlined part is pronounced as /ˈmuvi/, /kloʊz/, and /ʃoʊ/, respectively. However, the word "notice" is pronounced as /ˈnoʊtɪs/, which has a distinct /noʊt/ sound.
6. The word whose underlined part is pronounced differently is "beat". In the words "teacher", "great", and "leader", the underlined part is pronounced as /ˈtiʧər/, /greɪt/, and /ˈlidər/, respectively. However, the word "beat" is pronounced as /bit/, which has a short /i/ sound.
7. The word whose underlined part is pronounced differently is "queens". In the words "invaders", "events", and "kings", the underlined part is pronounced as /ɪnˈveɪdərz/, /ɪˈvɛnts/, and /kɪŋz/, respectively. However, the word "queens" is pronounced as /kwinz/, which has a distinct /w/ sound.
8. The word whose underlined part is pronounced differently is "blanks". In the words "actions", "soldiers", and "reviews", the underlined part is pronounced as /ˈækʃənz/, /ˈsoʊlʤərz/, and /rəvˈjuz/, respectively. However, the word "blanks" is pronounced as /blæŋks/, which has a short /æ/ sound.
9. The word whose underlined part is pronounced differently is "armies". In the words "changes", "battles", and "movies", the underlined part is pronounced as /ˈʧeɪnʤɪz/, /ˈbætəlz/, and /ˈmuviz/, respectively. However, the word "armies" is pronounced as /ˈɑrmiz/, which has a distinct /ɑr/ sound.
10. The word whose underlined part is pronounced differently is "animater" is not the correct answer since it has the same stress pattern as "liked". The word whose underlined part is pronounced differently is actually "watched". In the words "swapped", "liked", and "animater", the underlined part is pronounced as /swɔpt/, /laɪkt/, and /animater/ (since the pronunciation is not provided, it is assumed as /ˈænim.eɪtər/), respectively. However, the word "watched" is pronounced as /wɔʧt/, which has a distinct /wɔʧ/ sound.
I'll analyze each group and provide the answer.
**Group 1**
Analyze:
'action' stressed at first syllable
'drama' stressed at first syllable
'horror' stressed at first syllable
'arrive' stressed at second syllable
Therefore, 'arrive' has a different stress position to other words.
Answer: D. arrive
**Group 2**
Analyze:
'awful' stressed at first syllable
'boring' stressed at first syllable
'become' stressed at second syllable
'funny' stressed at first syllable
Therefore, 'become' has a different stress position to other words.
Answer: C. become
**Group 3**
Analyze:
'exciting' stressed at second syllable
'terrible' stressed at first syllable
'fantastic' stressed at second syllable
'historical' stressed at second syllable
Therefore, 'terrible' has a different stress position to other words.
Answer: B. terrible
**Group 4**
Analyze:
'Vietnamese' stressed at fourth syllable
'general' stressed at first syllable
'president' stressed at first syllable
'character' stressed at first syllable
Therefore, 'Vietnamese' has a different stress position to other words.
Answer: A. Vietnamese
**Group 5**
Analyze:
'leadership' stressed at first syllable
(comedy) stressed at first syllable
invader' stressed at second syllable
Missing word is 'animated', assuming 'animated' stressed at third syllable
Therefore, 'invader' or 'animated' has a different stress position to other words, we choose 'invader' because it is the only option
Answer: D. invader
Here are the answers:
1. C. at
2. A. up
3. D. because
4. C. game show
5. B. boring
6. B. popular
7. C. specialty
8. A. educational
9. C. adventurous
10. D. discovery
11. C. Remote
12. rink