Brian told you that there wasn't anyone in the room at that time, ________?

[　　]

A．was there　　　　　　B．wasn't there

C．didn't he　　　　　　 D．did he

I was really anxious about you. You ________ home without a word.

[　　]

A．shouldn't have left

B．needn't leave

C．couldn't have left

D．mustn't leave

Sorry, I'm late. I ________ have turned off the alarm clock and gone back to sleep again.

[　　]

A．might　　　　　B．should

C．can　　　　　　D．will

This is the first time ________ he has been here.

[　　]

A．that　　　　　　　　B．when

C．at which　　　　　　D．which

He made another wonderful discovery, ________ of great importance to science.

[　　]

A．which I think is　　　　B．which I think it is

C．which I think it　　　　D．I think is

These houses are sold at such a low price ________ people expected.

[　　]

A．like　　　　　　B．as

C．that　　　　　　D．which

In the dark street, there wasn't a single person________ she could turn for help.

[　　]

A．that　　　　　　　　B．who

C．for whom　　　　　　D．to whom

The general at last got a chance to visit the village, ________ he used to fight, ________ he had been dreaming of for years.

[　　]

A．that; which　　　　　　 B．where; that

C．in which; what　　　　　D．where; which

The old lady, ________ had been killed in the war, was given help by the local government.

[　　]

A．all her children

B．all of her children

C．all of whose children

D．whose all children

You should make it a rule to leave things ________ you can find them again.

[　　]

A．when　　　　　　B．where

C．which　　　　　　D．there