Look at the clock! It's time ______ work.
#90300
A
we started
B
we'll start
C
we're starting
D
we have started
推荐题目
Helen _______ it if she doesn’t want to. 
#87742
A
doesn’t need do
B
need not to do
C
needs not to do
D
need not do
. —How can I thank you? —Don’t mention it. Any other man in that case _______ the same thing. 
#88540
A
would have done
B
could have done
C
must have done
D
should have done
It is strongly recommended that the machine_____________ every year.
#86995
A
are checked
B
should check
C
checked
D
be checked