The boss____________ the worker how to do it, or the accident couldn't have happened.
#89996
A
can't have told
B
ought to tell
C
could have told
D
mustn't have told
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--- It rained cats and dogs this morning. I’m glad we took an umbrella.--- Yeah, we would have got wet all over if we__________ .
#86831
A
hadn’t
B
haven't
C
didn't
D
don't
— Mum, would you please buy me an MP5 player? — If you can help do some housework the whole vacation, you ____ have one as a reward.
#87589
A
must
B
need
C
would
D
shall
-- May I smoke here?-- If you____, that's the smoking section over there.
#87284
A
should
B
could
C
may
D
must
. — I sent him the dictionary by mail this morning . —You ____ that; he''s coming tomorrow afternoon .
#89774
A
needn''t have done
B
didn''t have to
C
needn''t do
D
mustn''t do
