6. 他從來都不盡自己最大的努力。

7. 當(dāng)心！這大火真是危險(xiǎn)��！

4. 他常常參加不同的活動(dòng)。

5. 她六歲時(shí)不會(huì)彈鋼琴。

四、 完成句子

1.那個(gè)年輕的警察把小男孩從壞人手中救出來真是足夠勇敢。

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. 昨天他們迷路了。

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.