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 |
—Is this Toby’s iPhone5，Jenny ?
—No，it________be his. His is black
A. muctn’t B. can’t C. may not.
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 |
The bridge _____ by the farmers themselves in 1982.
| A．built | B．was built | C．build | D．was build |
—How clean the window is!
—Yes, it just now.
A、cleaned B、has been cleaned C、was cleaned
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 |
—We will go to the Wushan Square this afternoon, why not take a bus?
—We ________ take a bus , it’s only one kilometer or more.
| A．can’t | B．needn’t | C．mustn’t | D．may not |
－_________I have a try on this pair of boot ? －Yes，you _________．
| A．Can；could | B．May；may |
| C．Can；might | D．May；could |
In 2100, people will by robots.
| A．cared for | B．be looked |
| C．be cared for | D．take care of |
—He ____be in the classroom, I think.
—No, he_____ be in the classroom. I saw him go home a minute ago.
| A．can, may not | B．must, may not | C．may, can’t | D．may, mustn’t |
--Do you have any plans for this summer vacation?
--I'm not sure. I ___ take a trip to Taiwan.
| A．must | B．need | C．may | D．should |
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