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
Passengers _____ fasten their seat belts immediately after taking their seats. The belts should remain buckled during the flight whether or not the “fasten seat belt” light is on.
#62815
A
shall
B
might
C
need
D
would
--- ____I take the newspaper to the classroom? ---No, you mustn’t. You ______ read it only here.
#76296
A
Must, can
B
May, can
C
Need, must
D
Must, must
— Mum, would you please buy me an MP5 player? — If you can help do the dishes the whole vacation, you ______ have one as a reward.
#62188
A
would
B
shall
C
may
D
must