1 . We should c__________ (检查) carefully after finishing the paper in order not to make spelling mistakes.

2 . can, see, you, many, beautiful, flowers
___________________________________________________.

3 . —Mr. Zhang, it’s too difficult for me to understand the long sentence. Would you please e________ it to me in a simple way?
—Sure.

4 . —________ I look at your new photos?
—Yes, of course you ________.

A．Could; could

B．Could; can

C．Need; could

D．Must; can

5 . —What can we do to make Luzhou a more beautiful city?
—First of all, I think all of us ________ fight pollution.

A．may

B．should

C．mustn’t

D．needn’t

6 . You shouldn’t w________ about your mother. She is OK.

7 . —Mom, could I go shopping with you?
—Yes, ________. But you have to clean your room first.

A．you could

B．you couldn’t

C．you can

D．you can’t

8 . —Must I finish my homework now?
—_____. Because it’s important for us to finish our homework on time.

A．No, you needn’t

B．Yes, you must

C．Yes, you can

9 . Don’t fly kites near the busy road. You ________ bring danger to the traffic.

A．must

B．should

C．may

10 . You ________ music in class. It’s a rule.

A．didn’t listen to

B．listen to

C．can listen to

D．can’t listen to