— Is that your best friend Simon?
---No, it ______be him. He flew to Hong Kong yesterday.
| A．mustn ’ t | B．can ’ t |
| C．needn ’ t | D．may not |
— Can we leave the classroom now?
— No, you ______. You ______ to leave until the bell rings.
| A．mustn’t, are allowed | B．don’t have to, are allowed |
| C．needn’t, aren’t allowed | D．can’t, aren’t allowed |
We _______pay to get into the concert. It's free.
| A．can't | B．mustn't | C．might not | D．don't have to |
The classroom every day.
| A．should clean |
| B．should be cleaned |
| C．should cleaned |
| D．should be cleaning |
Listen! Joy is singing in the next room.-- It _____ be Joy. She has gone
to America.
| A．may | B．must | C．can’t | D．mustn’t |
—People have realized how important the environment is, but still trees ____in the world every year.
— We must do something to stop it.
| A．were cut down | B．cut down |
| C．are cut down | D．will be cut down |
—Suihua is so beautiful．It’s like a big garden．
—Yes．Many trees and flowers________in our city every year．
A．are planting
B．are planted
C．were planted
—Our country _____ progress in science and culture in recent years.
| A．made such | B．has made such |
| C．made so | D．has made so |
Our classroom is so clean. It__________every day.
| A．is cleaned | B．was cleaned |
| C．cleans | D．cleaned |
Too much time ________on computer games by most teenagers every day． And their parents are worried about their health and study．（ ）
A．spendsB．is spentC．has spentD．spending
—Excuse me, when shall we play tennis at the court?
—Not until it ________next week.
| A．will be repaired | B．is repaired |
| C．repairs | D．will repair |
—Wow!You look different!You________wear glasses．
—Yes，I did．But now I am wearing contact lenses(隐形眼镜)．
| A．could |
| B．must |
| C．used to |
| D．would |
—who is the man over there ? Is it Mr.Wang ?
—No, it _____be him .Mr.Wang is much fatter.
| A．can’t | B．need |
| C．mustn’t | D．may |
—Are you going to Beijing by plane?
—It’s fast, but expensive, so I am not sure. I _______ take a train there.
| A．should | B．may | C．must | D．will |
—I can’t stop smoking，doctor．
—For your health，I’m afraid you________．
| A．may |
| B．can |
| C．have to |
| D．need |
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