What ____ to you these days?

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A．have been happened

B．have happened

C．has happened

D．are happened

--What do you think made Mar upset?

--______ her new bicycle.

[　　]

I shall never forget those years _______ I lived in the country with the farmers, ______ has a great effect on my life.

[　　]

She heard a terrible noise, ____ brought her heart into her mouth.

[　　]

There was _______ to prevent the accident.

[　　]

A．something could do

B．anything we could do

C．nothing we couldn't do

D．nothing we could do

The book _____ is not in the library.

[　　]

He is said to ________ his country because a new president came into power.

[　　]

A. be allowed to return

B. allow to return

C. allow returning

D. be allowed returning

The clever man made a hole in the wall,________ he could see what was happening inside the house.

[　　]

A. in which

B. through which

C. allow returning

D. be allowed returning

I have no idea what ________ while I was asleep.

[　　]

If you keep on,you'll succeed _________. Wish you success in the examinations.

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