improving B. to improve C. improving D. to improving 答案: 1-5 BBBBA 6-10 ADDD D Ⅱ. 完成句子 1. ________________( 捉弄别人)is wrong. 2. He managed________________( 按时完成了任务). 3. The sun________________( 使万物生长). 4. That girl's ambition is________( 成为一名歌手). 5. He has________________( 许多问题要解决). 6. ________________( 为了赶上早班车),I got up early 7. It's________________( 路程太远)in one day. 8. ________________( 除了等待别无选择)till it stops raining. 9.I find these maths exercises________________( 很容易算出来). 10. He warned his son____________( 酒后决不能开车) 答案: 1.To play jokes on others 2.to finish the task on time 3. makes everything grow 4.to e a singer 5.a lot of problems to deal with 6.To catch the first bus 7.too long a journey to make 8.There is no choice but to wait 9.(are)easy to work out 10.never to drive after drinking