1 . If you often go to a gallery, it ______ well change forever the way you look at art.

A．may

B．should

C．will

D．must

2 . When disaster strikes, you _____ find yourself without water, gas and electricity.

A．will

B．must

C．should

D．might

3 . No matter how healthy you ________ be, you need to consult a doctor from time to time.

A．should	B．will
C．must	D．may

4 . --- Where is Jack? I can’t find him anywhere.
--- He ______ his homework upstairs.

A．might have done

B．must have done

C．might be doing

D．must do

5 . Coughing _____ also be used for social reasons, such as the coughing before giving a speech．

A．may

B．should

C．must

D．need

6 . Helen________ go on the trip with us, but she isn’t quite sure yet.

A．shall

B．may

C．must

D．can

7 . If you        go, at least wait until the storm is over.

A．can	B．may
C．must	D．will

8 . It       sound like a perfect destination,but it is really adventurous to go there.

A．must

B．should

C．can

D．may

9 . 24. —Who______ it be that is knocking at the door?   
—It ______ be father, but I’m not sure.

A．can; must

B．can; may

C．must; can

D．may; must

10 . Linda _____________ at home now, but I’m not sure. Why not have a try?

A．must be

B．might have been

C．may have been

D．might be