--What are you going to do this afternoon?
-- I am going to the cinema with some friends. The film _______ quite early, so we __________ to the bookstore after that.
| A．finished; are going | B．finished; go |
| C．finishes; are going | D．finishes; go |
Children under 12 years of age in that country ______ be under adult supervision when in a public library.
| A．must | B．may | C．can | D．need |
— Who is the girl standing over there ?
— Well, if you _____ know, her name is Mabel.
| A．may | B．can | C．must | D．shall |
— Isn’t that Ann’s husband over there ?
— No, it _____ be him — I’m sure he doesn’t wear glasses.
| A．can’t | B．must not | C．won’t | D．may not |
— What's the matter with Peter?
— He was seen crying when he was coming out of the teacher’s office. He ____ by the teacher.
| A．may be scolded | B．should have been scolded |
| C．must be scolded | D．must have been scolded |
They must have been enjoying themselves there, otherwise they _______ so long.
| A．can’t have stayed | B．wouldn’t have stayed |
| C．needn’t have stayed | D．couldn’t stay |