从每小题的A、B、C、D四个选项中,选出可以填入空白处的最佳选项。

1. My grandpa is 　　　　in sailing. Now he is describing one of his unforgettable

　　　　 　he has met with in the Indian Ocean.

A. experiencing; experience

B. experiencing; experiences

C. experienced; experiences

D. experienced; experience

5. 他突然想起他忘记参加会议了。(occur to)

4. 他有可能在跳高这个项目上打破世界记录。(possible)

3. 他总共已收集了200张邮票。(in all)

2. 他的粗心驾驶使他送了性命。(cause sb. to do)

1. 在过去的十年中，我们国家经历了巨大的变化。(experience)

4. Prepare everything for your examination,　　　 don’t be late.

3. 　　　,Mike is not a child any more.

2. I was surprised at his coming 　　　.

1. 　　　,you must set a goal for yourself.