6. 他从来都不尽自己最大的努力。

7. 当心！这大火真是危险啊！

4. 他常常参加不同的活动。

5. 她六岁时不会弹钢琴。

四、 完成句子

1.那个年轻的警察把小男孩从坏人手中救出来真是足够勇敢。

The young policeman was       the little boy the bad man.

10. The young man (put) out the fire with his coat. How brave he was!

8. I stayed with the boy before his parents (come) back from work.

9. Lucy (rush) into the teachers' office and asked for help.

7. After school they often practiced (play) badminton last month.

2. 昨天他们迷路了。

3. 我期盼收到你的信。

6. He did his best (learn) Chinese. Now he can speak a lot.

5. I (send) some clothes and books to the students in the poor area QR tomorrow.

3. I often see my neighbour (jog) by that river.

4. I didn't have time (think) about it at that moment.