5. 吴老师经常在我们厌倦的时候给我们讲笑话，使课堂生动有趣。

(tell jokes)

4. 由于在大学里成绩优异，她找到了一份令人满意的工作。

(as a result)

3. 不知道怎么回事，今天我不断地打破东西。(keep doing)

2. 中国在现代医学方面已经取得了很大进步。(make progress)

1. 今晚可能有霜冻，一定要把植物都遮盖好。(make sure)

5. Mrs White prefers 　　　(do) some voluntary work in a local hospital, rather

than 　　　(do) nothing at all all day long.

4. I would rather 　　　(invite) the professor and I would rather you 　　　(send) for him at once.

3. He was lying on the bed with his hands 　　　(cross) on the chest.

2. Mary is practising 　　　(play) the piano to make progress.

1. I really appreciate 　　　(have) time to relax with you on this nice island.