According to the air traffic rules, you ___ switch off your mobile phone before boarding.
#87048
A
may
B
can
C
would
D
shall
推荐题目
I advised that he ______ to the hospital at once, but he insisted that he ______ quite well then.
#88177
A
was sent; felt
B
be sent; was feeling
C
he sent; feel
D
should be sent; should feel
This cake is very sweet.You __________ a lot of sugar in it.
#87614
A
should put
B
could have put
C
might put
D
must have put
--Did Mary come to your birthday party?--No. I __________ her, but she was away on business.
#90012
A
would like to invite
B
would have liked to invite
C
must have invited
D
could invite