问题

Jack, you ____ be tired after working for eight hours without a short break.
A:can
B:may
C:must
D:need;
B:may
C:must
D:need;
正确答案是:
同类题型
Mr. Smith didn’t go to the movie. He went swimming, ______.
The kid is only three, but he can say________English words.
When you are sleeping, you had better______ all thewindowsclosed.
Has your brother ever been to the Sand Lake?––Yes, he has _______ the Sand Lake manytimes.
I was out town at the time, so I don’t know exactly how it ____________________