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 . They always look for excuses to postpone ________ something. In the end, it never gets done.

A．to

B．doing

C．done

D．to doing

3 . The collectors dreamed of ________ a place to show off the collection in Latin America as a way to spark dialogue among artists across the diverse regions.

A．there to be

B．there being

C．there having

D．there would be

4 . 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

5 . 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

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 . Considering the tight schedule, I decided to accept his advice on me________ a couple of hours’ sleep on the plane.

A．to grab

B．having grabbed

C．grabbing

D．grabbed

9 . 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

10 . 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