With the rapid development of medical science, we ________ more new drugs used in the treatment of cancer. 
#101807
A
see
B
had seen
C
will be seeing
D
would see
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He said l5 people_______,two of them_____to hospital.
#103876
A
have injured;admitting
B
have been injured;being admitted
C
had injured;to admit
D
had been injured;admitted
 Every possible means ___ to prevent the air pollution, but the sky is still not clear.
#101596
A
is used
B
are used
C
has been used
D
have been used
----We could have come here much earlier in your car. ----I agree. But it _____. 
#99941
A
is repaired
B
was being repaired
C
had been repaired
D
is being repaired
The old lady     her husband for forty years.
#104521
A
has married to
B
has got married to
C
has married
D
has been married to