While I _____ television, the door bell _____.
A. watched/would ring
B. would watch/had rung
C. was watching/rang
D. had been watched/was ringing
第1题
The little girl _____ by the drug-pusher to carry drugs into the country.
A. was made use
B. was made used
C. was made use of
D. was made used of
第2题
Vingo sat in front of the young people, _____ in a plain, ill-fitting suit.
A. dress
B. dressing
C. to be dressed
D. dressed
第3题
The insects would devour all our crops and kill our flocks and heads, if _____ for the protection we get from insect-eating animals.
A. it is not
B. it were not
C. were it not
D. they were not
第4题
Everything on the earth _____ all the time.
A. is changing
B. is changed
C. has changed
D. has been changed
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