Mr. Smith is always on time for everything. How ________ it be that he was late for the flight?
#63168
A
can
B
must
C
may
D
need
推荐题目
If you _______ carry with you the belief that all you do is right, it’s none of my business.
#63245
A
should
B
may
C
can
D
must
I _____thank you too much for all your help to my son while we were away from home.
#63300
A
won’t
B
can’t
C
can
D
will
Look! The light in the room is still on. Mr. Liu at work.
#77067
A
must
B
can’t be
C
must be
D
have to be