—I don’t care what the teacher thinks. — But I think you _______.
| A．can | B．may |
| C．should | D．must |
----Must I leave now?
----No, you _________. There is still some time left.
A. mustn’t B. needn’t to C. don’t have to
Cars, buses, bikes and people stop when the traffic lights are red.
A．can B．may C．must
Today, the forests have almost gone. People must ______down too many trees.
| A．stop cut | B．stop to cut |
| C．be stopped from cutting | D．be stopped cutting |
Henry _____be at home because he phoned me from his office just now.
| A．mustn’t | B．can’t | C．may | D．may not |
To be a good teacher, you ___ be able to hold the attention and interest of your students.
| A．must | B．may |
| C．can’t | D．needn’t |
—Whose workbook is this, Tony?
—Look! Ann's name is on it! It ______ be hers.
| A．can't | B．must | C．may | D．mustn't |
The students ___ to check the answers by discussing with others just now.
| A．ask | B．are asked |
| C．asked | D．were asked |
—How nice the building is! What is it for?
—It _________ be a hotel. But I’m not sure.
| A．must | B．could | C．can | D．may |
–Can you swim? --___________, but my brother Tom can.
| A．Yes, I can. | B．No, I can’t. | C．Yes, I do. | D．No, I don’t. |
You________such clothes because you are still a student.
| A．aren’t allowed to wearing | B．aren’t allowed to wear |
| C．aren’t allowed wearing | D．don’t allow to wear |
What's the meaning of the activity"Let's Save"？
Paper shouldn't ________ in everyday life．（ ）
A．wasteB．wastedC．be wastedD．is wasted
—When _______ this stone bridge______ ?—In 1935.
| A．did; build | B．was; built |
| C．does; build | D．is; built |
—Where’s Jill?
—She ________ in the office. I saw her there just now.
| A．may be | B．must be |
| C．can be | D．should be |
—Shall I take a taxi?
—No, we_____________. It’s not far from here.
A. shouldn’t B. mustn’t C. needn’t
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