Fill in the blank in the correct form of verbs. 1. Where you ...... (go) now ? -I...... (go) to the theater. 2. He ...... (not do) morning exercises regularly. 3. He ..... (do) morning exercises now ? 4. What you .... ( do) yesterday? 5. They ..... ( finish) their dinner half an hour ago. 6. Water ...... ( boil ) at 100 degrees centigrade. 7. The factory ...... ( begin) operation last year.

Cách làm:
- Điền động từ vào chỗ trống theo dạng chính xác của động từ.

Câu trả lời:
1. Where are you going now ? -I am going to the theater.
2. He does not do morning exercises regularly.
3. Is he doing morning exercises now ?
4. What did you do yesterday ?
5. They finished their dinner half an hour ago.
6. Water boils at 100 degrees centigrade.
7. The factory began operation last year.

4. What did you do yesterday?

3. Is he doing morning exercises now?

2. He does not do morning exercises regularly.

1. Where are you going now? -I am going to the theater.