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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Edward, you play so well, but I _____ you play the piano.
#102085
A
didn’t know
B
hadn’t known
C
don’t know
D
haven’t known
Do you still remember ber?________her as much as I do now for a long time. 
#99627
A
haven’t missed
B
don’t miss
C
am not missing
D
didn’t miss
She said the contest ________ by the Students’ Union the next Friday.
#102131
A
will be held
B
would be holding
C
would be held
D
was holding