1. We shall appreciate ____ from you soon.

A. being heard

B. hearing

C. to hear

D. having been heard

【答案】B。appreciate+doing：“感谢，欣赏”。此处hear from sb：从……收到来信，应该用主动语态，后面的sb.是hear from的宾语，故A,C和D项不对。

2. Don’t risk ___ the job which so many people want.

A. losing

B. to lose

C. lost

D. your life to lose

【答案】A。risk后面接doing形式，意为：冒险做某事。

3. The scientist didn’t mind_____ and went on with his investigation.

A. laughing at

B. to be laughed at

C. being laughed at

D. laughed at

【答案】C mind doing sth.“介意”是固定搭配;而此处科学家是被嘲笑的对象，是“介意被嘲笑”，所以选被动式C项being laughed at.

4. John suggested ____ anything about it until they found out more facts.

A. not to say

B. saying not

C. to say not

D. not saying

【答案】D suggest后面只能用 doing,不能用to do,否定副词not的位置应该在doing之前。

5. I really appreciate ________ to relax with you on this nice island.

A. to have had time

B. having time

C. to have time

D. to having time

【答案】B。appreciate doing