You _______ see a dentist when you have a toothache.
#78314
A
may
B
need
C
should
D
can
推荐题目
Oh, I'm not feeling well in the stomach. I ________ so much fried chicken just now.
#62320
A
shouldn't eat
B
mustn't have eaten
C
mustn't eat
D
shouldn't have eaten
Mike, please be quiet, or the other students hear me clearly.
#74243
A
mustn’t
B
shouldn’t
C
needn’t
D
can’t
Is that your best friend Kitty?— No, it _________ be her. She flew to Singapore yesterday.
#75926
A
must
B
can
C
Mustn’t
D
Can’t
— I missed the earliest flight in the morning. It was really a pity. —You _________ to the airport by taxi instead of by bus.
#62664
A
should go
B
should have left
C
should leave
D
must have gone