.Your essay is too long. You’d better _______ to about 1000 words.  
#4764
A
cut it off
B
cut it up
C
cut it down
D
cut it into
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But for their help, we ____ the program in time.
#4795
A
can not finish
B
will not finish
C
had not finished
D
could not have finished
.The teaching building is _________ by many trees, some ______ over 30 metres.
#4739
A
surrounded, measuring
B
surrounded, measured
C
surrounding, measured
D
surrounded, measure