问题

Mr. Bush is on time for everything. How_____ itbe th
A:can
B:should
C:may
D:must
B:should
C:may
D:must
正确答案是:
同类题型
Not only _____interested in changing teaching methods but _____beginning to show an interest in it.
____ parents say and do has a life-long effect on their children. [ ]
Where is your brother, Leo— He is in Hainan on vacation. He for two weeks.
_____ of danger in the street at night, she had to go home, with a friend _____ her. [ ]