1 . Children ________ play football on the busy street. It’s quite dangerous.

A．mustn’t

B．must

C．needn’t

D．could

2 . The pen looks like mine, yet it isn’t. Who ________ it belong to?

A．might

B．should

C．must

3 . —________ you give me a hand? The desk is too heavy.
—Sure.

A．Could

B．Must

C．Need

D．Should

4 . —Ruby, when did your father go out?
—I’m not sure, but he ______ go too far. His tea is still hot.

A．can’t

B．must

C．might

5 . Having an ice-cream in the hot summer ________ be cool.

A．must

B．need

C．can’t

6 . —Tina, is that our math teacher Mr. Wang?
—It ________ be Mr. Wang. He has gone to Beijing.

A．must

B．mustn’t

C．can’t

D．can

7 . —______ you please help me to return the book to the library?
—With pleasure.

A．Could

B．Need

C．Should

D．Must

8 . —Samel, which topic will you choose for your speech?
—Uh… I ______ choose “My Sweet Memory”. I have to ask Miss Li for advice first, and then make a decision.

A．must	B．may
C．can	D．should

9 . —Excuse me, ________ you please tell me where the nearest bus stop is?
—Sure. Turn right at the first crossing. It’s on your right.

A．must

B．could

C．should

D．need

10 . —Lucy, _______ you come over to my house and work on our project together?
—Yes, I would be happy to.

A．must

B．should

C．could

D．need