I don’t dare ______ in front of the class

. A. sing B. to sing C. sings D. singing

The old man _____live with his wife, but now he ______alone after she died.

A. used to, is used to live

B. used to, is used to living

C.was used to , used to live

D. did used to , is use to live

There are some dangerous fish in the river, and I’ve warned Jack______ here.

A. not to swim B. to not swim

C. swim not to D. to swim not to

I don’ t mind _____the door.

A. you open B. your open

C. your opening D. yours opening

Tom is often made ______for twelve hours a day by the boss.

A. work B. working

C. to work D. to be working

An accident______ on this road last week.

A. has been happened B. was happened

C. is happened D. happened

Thomas Edison is known _____inventions______ a great inventor.

A. to, as B. for , as

C. as, to D. to, for

Schools don’t allow ______ answers in the exam.

A. copy B. to copy

C. copying D. copied

While listening in class, you should concentrate ____ your teacher.

A. at B. to C. for D. on

---Show me your homework, Dave.

----Sorry, Mrs Brown. I’ve_____it at home.

A. missed B. forgotten

C. lost D. left