1 . Paul has always regretted ________harder at school when he was young.

A．not having studied

B．not being studied

C．not studying

D．not to study

2 . There is no point _____improved public transport unless we can pay for it.

A．advocating

B．advocated

C．to advocate

D．advocate

3 . Preparing high-quality roast duck is a long, complicated process of many steps, from selecting the duck at the beginning to ________ it to the diners at the end.

A．being served

B．be served

C．serve

D．serving

4 . For many older people, especially those __________health issues, poor eyesight makes_______ almost impossible on small screens, and their leathery fingers makes _________to use touch-screens.

A．suffering, reading, it hard	B．suffering from, reading, it hard
C．suffering from, to read, hard	D．suffering, to read, hard

5 . If you have any comments for suggestions, please let us know; we always appreciate_____feedback from friends.

A．having been received

B．to receive

C．receiving

D．to have received

6 . When working on a tough project, you need to keep ________ the guidelines to ensure you’re always on the track.

A．preserving

B．reserving

C．observing

D．deserving

7 . Barely ________settled down in Beijing when he was tasked ________over the company in Shanghai, whose CEO was diagnosed with cancer two weeks ago.

A．he had ; to take	B．had he ; with taking
C．had he; to take	D．he had; with taking

8 . What ________ do you have ________ them finish their homework on time?

A．difficulty; to make	B．difficulty; with making
C．difficulty; making	D．difficulties; in making

9 . I recommended ________ an English-Chinese dictionary, ________ I thought would be of great help to his studies.

A．buying; that

B．to buy; that

C．buying; which

D．to buy; which

10 . The police accused him of setting fire to the building but he denied ______ in the area on the night of the fire.

A．to be

B．to have been

C．having been

D．be