【推荐1】—Here’s a wallet. Is it yours?
—No. It ________ be Jill’s. Look! Her student card is in it.

A．must

B．should

C．may

【推荐2】—Look! It must be David in the classroom.
—It ________ be him. Because I saw him in the library a moment ago.

A．mustn’t

B．may

C．can’t

D．can

【推荐3】—Where’s Lucy?
—She ________ in the classroom. I saw her there just now.

A．may be

B．must be

C．can be

【推荐1】According to the traffic law, children under 12 ___________ ride bikes on the road.

A．mustn’t

B．needn’t

C．must

D．need

【推荐2】— Wow... another gift! What’s in it?
— I’m not sure. It ________ be a Teddy Bear, your favorite.

A．must

B．should

C．might

【推荐3】—Whose shirt is this?
—It _________ be Li Lei’s. It is too big for him.

A．could

B．must

C．can’t

D．might

【推荐1】—Whose volleyball is this?
—It ________ be Carla’s. She loves volleyball.

A．need

B．can’t

C．must

【推荐2】—Where is Susan?
—She ________ go to the bank, but I’m not quite sure.

A．need

B．might

C．must

【推荐3】— Is this book Linda's?
— It ________ be hers. Sandy's name is on the cover.

A．can't

B．mustn't

C．needn't

【推荐1】—According to the library rules, a student _________ borrow four books at most at a time, so it’s OK for you to borrow these four books today.
—I see. Thanks, Mr. Zhang.

A．must

B．can

C．mustn’t

D．needn’t

【推荐2】—Mom, could I give away these books to the poor children?
—Sure, you ________. I’m glad to hear that.

A．can

B．could

C．must

【推荐3】—The article says that one’s personality depends on his animal sign.
—You _______ read it for fun, but don’t believe in that.

A．can

B．must

C．shouldn’t

D．needn’t