The American Indians must make use of one of such open forms of struggle ________ permitted by law.

[　　]

 What made you so sad?

________ a good chance to go abroad.

[　　]

________ come into leaves or bloom is obviously a sign of spring.

[　　]

________ troubles me is ________ I can't learn all these English idioms by heart.

[　　]

Less than one third of the project ________ finished. It is not likely that the whole project will be completed ________ six months.

[　　]

A．has been, in

B．has been, after

C．have been, after

D．have been, in

 Would you mind ________ to the town ________ you visited last year?

  Of course not.

[　　]

A．sending, which

B．to be sent, where

C．being sent, which

D．being sent, where

My father is used to smoking and drinking, and there is no chance ________ I'm able to persude him to ________.

[　　]

A．which, stop them

B．that, give them up

C．that, give up them

D．whether, get rid of them

The doctors and nurses did ________ they could to help the wounded.

［　　］

He has _______ friends here, and he feels ________

［　　］

World War ll ________ in 1939.

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