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An accident ________ on Zhongshan Road yesterday afternoon. 
#38538
A
has been happened
B
was happened
C
is happened
D
happened
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Don’t go out. It _____ hard.
#40309
A
rain
B
rains
C
is raining
D
are raining
If we __________ careful，fire can be dangerous。
#41667
A
don’t be
B
are
C
aren’t
D
won’t be
People ____ any flowers until May.
#42555
A
will see
B
don’t see
C
won’t see
D
see
 --What         if you don't finish your work on time?  -- Mrs. Brown will be very angry.
#36820
A
happens
B
is happened
C
happened
D
will happen
—What did the teacher say just now? — Sorry. I didn’t catch it. I ____ something else.
#42274
A
think
B
will think
C
was thinking
D
had thought