`1` . C

`->` keep on doing sth : tiếp tục làm gì đó

`2` . D

`->` without doing sth : mà không làm gì

`3` . A

`->` worth doing sth : đáng làm gì

`4` . B

`->` deny doing sth : phủ nhận làm gì

`5` . B

`->` accustomed to Ving : quen với việc gì

`6` . C

`->` admit doing sth : thừa nhận làm gì

`7` . B

`->`accustomed to Ving : quen với việc gì

`8` . C

`->` avoid doing sth : tránh việc gì

`9` . A

`->` avoid doing sth : tránh làm gì

`10` . D

`->` It's no use doing sth : nó không đáng làm gì

1. He kept on _______.

A. worked B. work C. working D.works

2. She went to market without _______ anything.

A. buy B. to buy C.bought D. buying

3. This article is worth ______ into your notebook.

A. copying B.copy C. to copy D. to be copied

4. The boy denied _____ the glass window.

A. to break B.breaking C. broke D.to break

5. There workers are accustomed to ________ at night.

A. work B. working C. works D.be working

6. The criminal admitted ______ this innocent child.

A. killed B. to kill C. killing D. had killed

7. Mrs.Ramsay was accustomed ______ in this rickety house.

A. by living B. to living C. with living D. living

8. c

9. a

10.d