V. Give the correct tense/ form of the verbs in the brackets. 1. By the time we came to the cinema, the film (start)__________. 2. San Francisco (often call)______________  “The windy city”. 3. By the time we arrived at the canyon, it (stop) ______________snowing. 4.  They get sick so often. If they exercised more, they (be) ____________healthier.

Cách làm:

1. Xác định thì của động từ trong câu: past simple (quá khứ đơn).
2. Điền động từ vào chỗ trống theo đúng thì của câu.

Câu trả lời:

1. By the time we came to the cinema, the film had started.
2. San Francisco is often called "The windy city".
3. By the time we arrived at the canyon, it had stopped snowing.
4. They get sick so often. If they exercised more, they would be healthier.

Hoặc:
4. They get sick so often. If they had exercised more, they would be healthier.

3. By the time we arrived at the canyon, it had stopped snowing.

2. San Francisco is often called "The windy city".

1. By the time we came to the cinema, the film had started.

Phương pháp giải:
487 × 3 = 487 + 487 + 487 (cộng 487 lên 3 lần)
= 1461

Vậy kết quả của phép tính 487 × 3 là 1461.