The boss ______ the worker how to do it, or the accident couldn’t have happened.
#63303
A
can’t have told
B
ought to tell
C
could have told
D
mustn’t have told
推荐题目
Teachers be sensitive to the development level of each student so as to help them better.
#62667
A
can
B
may
C
are able to
D
need to
—These grapes look really beautiful. —They _______! See the price $3.99 a pound. Very expensive, aren’t they!
#62527
A
might
B
could
C
would
D
should
—The pollution problem here seems to get more and more serious.--Yes. Something_____about it.
#76572
A
must do
B
must be done
C
is doing
D
had been done
—Can I pay the bill by check?--- Sorry, sir. But it is the management rules of our hotel that payment ____ be made in cash.
#62163
A
shall
B
mustn’t
C
can’t
D
will
—I think the man over there must be Bob. -- It_______ be him. He has______ to Australia.
#78073
A
can’t, gone
B
can’t, been
C
may not, been
D
mustn’t, gone