1. In all the world, there (be) __________ only 14 mountains that (reach) __________above 8,000 meters. 2. He sometimes (come) __________ to see his parents. 3. When I (come) __________, she (leave) __________for Dalat ten minutes ago. 4. My grandfather never (fly) __________ in an airplane, and he has no intention of ever doing so. 5. We just (decide) __________ that we (undertake) ____________ the job. 6. He told me that he (take) __________ a trip to California the following week. 7. I knew that this road (be) __________ too narrow. 8. Right now I (attend) __________ class. Yesterday at this time I (attend) __________class. 9. Tomorrow I'm going to leave for home. When I (arrive) __________at the airport, Mary (wait) __________ for me. 10. Margaret was born in 1950. By last year, she (live) __________on this earth for 55 years.

1 câu trả lời

1. are - reach

⇒ Thì HTĐ : S + V(e/es) + ……

⇒ Vì " 14 mountains " và " 8,000 meters " là số nhiều nên +  V (nguyên thể)

2. comes

⇒ Dấu hiệu thì HTĐ : sometimes

He, She, It  + V (s/es)

3. came - had left

⇒ Dấu hiệu thì QKĐ : ago

⇒ Thì QKHT : S + had + VpII

4. has never flown

⇒ Dấu hiệu thì HTHT : ever

5. have just decided -would undertake

⇒ Thì HTHT : S + have/ has + PII

6. would take

⇒ The following week là chuyển từ next week trong câu trực tiếp sang câu gián tiếp

⇒ Next week là thì tương lai đơn

⇒ Đây là câu gián tiếp nên dùng would take

7. was

⇒ Thì QKĐ : S + was/ were + .......

8. am attending - was attending

⇒ Dấu hiệu thì QKTD : Yesterday at this time

9. arrive - will be waiting

⇒ When + S + V ( HTĐ ) , S + V ( TLĐ )

10. had lived

⇒ Thì QKHT : S + had + VpII

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