题目内容

______ Jack ______Tom has been to America . We know little about America .

A. Not only ;but also
B. Either ; or
C. Neither ;nor
D. Both ;and

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I must be off now , _______ the train will start in ten minutes .

A. while
B. so
C. for
D. but

There is no class tomorrow ______ you needn't get up early .

A. since
B. so
C. for
D. but

I heard some noise outside , ______ I went out of the room to see what happened .

A. but
B. so
C. for
D. since

I parked the car in front of the building ______ the car-park was full .

A. because
B. so that
C. unless
D. even if

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