Trợ lý học tập AI - Câu trả lời này chỉ mang tính tham khảo
**Exercise Answers:**
**37.** C. upset
**38.** A. uncommon
**39.** B. continue
**IV. Read and complete each numbered blank in the passage:**
1. B. located
2. C. known
3. A. consists
4. D. designer
5. C. cultures
**V. Complete the sentences by putting the verbs in brackets into the past continuous:**
1. They **were watching** television at 9 o'clock last night.
2. She **was cooking** when I **telephoned** her.
3. The children **were playing** in the garden when it started raining.
4. We **were having** dinner.
5. What were you doing at 8 pm last night? - I **was doing** my homework at that time.
6. They **were helping** the flood victims at 10 o'clock last night.
7. It **was not snowing** when I left home this afternoon.
8. While she **was working**.
9. In case you **have** a nice day. (No verb form is needed here)
10. What were you doing at 9 o'clock yesterday morning? - I **was watching** television.
**VI. Find the mistake in the following sentences:**
1. While I **was** visiting the museum I learned about ancient civilisations. (Mistake: "were" should be "was")
2. The archaeologists were preserving the artifacts they discovered at the excavation site. (No mistake)
3. The historians and researchers were building a comprehensive database **for years** to preserve historical records. (Mistake: "for years" should be "for a comprehensive database")
4. During our visit to the historical site, we wished we **had had** more time to learn its full story. (Mistake: "had" should be "had had")
5. Sharing stories of past travels, we wished we **had** more money to explore further destinations. (Mistake: "would have" should be "had")
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