10. Don’ t spend too much time in ___________ computer games.

答案：playing

解题点拨：spend…(in) doing sth．为固定结构。

9. She stopped ___________ at me when I came in.

答案：to look

解题点拨：当我进来时，她停下来看着我。用stop to do sth．结构。

8. The girls who work at the hospital are _________

Their job is to take care of patients (病人)

答案：nurses

解题点拨：第二句为“她们的工作是照顾病人”。因此“在医院工作的这些女孩于是、护士”，，主语the girls是复数，所以填nurses。

7. The trees _________ last spring.

答案：were planted

解题点拨：这些树是去年春天种的。树应是“被种”。要用被动语态be+过去分词(planted)，时间是“去年春天”，所以be写作were。

6. He ___________ reading English every morning.

答案：practices

解题点拨：时间状语是“每天早上”，用一般现在时。

5. More and more _________ come to China these years.

答案：visitors

解题点拨：近几年，越来越多的观光者来到中国。visitor用复数形式。

4. Dr Wu_________us a talk on the history and culture of China yesterday.

答案：gave

解题点拨：动词要用一般过去时。因为时间状语是yesterday。

3. The children _________ under the tree over there. Why not join them?

答案：are dancing

解题点拨：根据句意应为现在进行时：孩子们正在那边树下跳舞。

2. We should speak to old people_________.

答案：politely

解题点拨：我们对老人说话应该有礼貌。polite是形容词，这里要用副词。

1. It’s my sister’s _________ birthday.

答案：twelfth

解题点拨：12岁生日、第十二个生日，用序数词twelfth。