—I left my handbag on the train, but luckily someone gave it to a railway official.—How unbelievable to get it back! I mean, someone ______ it.
#87578
A
will have stolen
B
might have stolen
C
should have stolen
D
must have stolen
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But for their help, we the program in time.
#87503
A
can not finish
B
will not finish
C
had not finish
D
could not have finished
Your advice was a great help to us, without which all our efforts .
#87386
A
wouldn’t pay off
B
hadn’t paid off
C
wouldn’t have paid off
D
didn’t pay off
(2013·陕西师大附中模拟)If we had taken such effective measures much earlier, the river ________ so seriously now.
#86520
A
is not polluted
B
would not be polluted
C
had not been polluted
D
would not have been polluted