1 . — Coach, can I continue with the training?
— Sorry, you can’t _____ you haven’t recovered from the knee injury.

A．until

B．before

C．because

D．unless

2 . — Why didn’t you tell him about the meeting?
— He rushed out of the room _____ I could say a word.

A．when

B．after

C．before

D．until

3 . Most smokers say they _______ smoking to some degree but health experts suggest that they should give it up ______ their health.

A．benefit; for the benefit of	B．benefit from; with the benefit of
C．benefit; in the benefit of	D．benefit from; for the benefit of

4 . I spent the whole day repairing the car. The work was______ easy.

A．nothing but

B．something but

C．anything but

D．all but

5 . He was a good student and scored________average in most subjects.

A．below	B．of
C．on	D．above