______he sing an English song?  –No ,he can’t
A.  Is    B.  Does  C.  Can

________I smoke   here ?
----No. you can’t.

A． Need

B．May

C． Shall

D． Should

Whose  book  is that ?
It   _______belong to Linda .Look !Her name is on it .

A． must

B． need

C．have to

D． can

--The man in a black suit _______ be our youth worker.
-- I’m sure it _____ be him. I saw him in the laboratory building some minutes ago.            

A．must; can’t

B．can; mustn’t

C．can; could

D．must; won’t

— I’m a little tired. Let’s go to the zoo by taxi.
—We ________take a taxi. It’s not far from here.

A．needn’t

B．couldn’t

C．mustn’t

D．can’t

—May I use your computer, Mr WU?　　　—______．

A．Yes, you may not

B．No, you may

C．Yes I may

D．No, you may not

You __     _ cross the road when the traffic lights are red. It’s dangerous.
A. needn’t                B. may not                    C. mustn’t

You ___________ follow the traffic rules. Otherwise, it is dangerous for you. 

A．must

B．can

C．may

D．should

–Who is the man over there ? Is it Mr. Li?
--No, it_____be him .  Mr. Li is much taller.
A. mustn’t   B. may not   C. can’t 

-Look at the picture on the wall. It         be David's.
-Yes, his name is on the first page.

A．can

B．can't

C．must

D．mustn't