II. Điền dạng đúng của động từ trong ngoặc vào chỗ trống.

1. Mary enjoys listening to music. (listen)
2. Just avoid making unnecessary mistakes. (make)
3. Irregular verbs are not easy to remember. (remember)
4. Mathew is really good at cooking. (cook)
5. She waited to buy a movie ticket. (buy)
6. The doctor encouraged his patients to eat healthy food. (eat)
7. When I met her I couldn't help hugging her. (hug)
8. I'm sick of eating hamburgers every day. (eat)
9. It is important to surf the net for more information. (surf)
10. Doing sport every day is good for your health. (do)

III. Choose the best answers. 11. You are old enough to be responsible for what you have done.

1. The following questions are easy to answer.
2. Would you mind posting this letter for me? (post)
3. We plan to go to Europe this summer. (go)
4. It seems difficult to know everything about the topic. (know)