1. We shall appreciate ____ from you soon.

A. being heard B. hearing C. to hear D. having been heard

【答案】B.appreciate+doing：“感謝，欣賞”。此處hear from sb：從……收到來信，應(yīng)該用主動語態(tài)，后面的sb.是hear from的賓語，故A，C和D項不對。

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，意為：冒險做某事。

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；而此處科學(xué)家是被嘲笑的對象，是“介意被嘲笑”，所以選被動式C項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，否定副詞not的位置應(yīng)該在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