--- Hi, Lucy．Do you know where Linda is?
--- She in the library．I saw her there just a few minutes ago．
| A．shall be | B．must be |
| C．should have been | D．might have been |
—What does the sign over there read?
—No person ________smoke or carry a lighted cigarette ,cigar or pipe in this area.
| A．will | B．may | C．shall | D．must |
Cars play an important role in modern life, but they ______ also cause many problems like air pollution.
| A．should | B．can | C．must | D．will |
—— I can’t get through to the general manager’s office anyhow.
—— The line is busy. Someone＿＿＿＿＿the telephone.
| A．must use | B．uses | C．must have been using | D．must be using |
Very loud noise＿＿＿＿＿make people ill or drive them mad.
| A．should | B．can | C．need | D．must |
—I’m going to New York this evening. Is there a flight to New York then?
—There____ be a flight. But you’d better call the booking office to make sure.
| A．must | B．may | C．would | D．will |
It ______ be the postman at the door. It’s only six o’clock.
| A．mustn’t | B．can’t | C．won’t | D．needn’t |
It has been announced that all the candidates______ remain in their seats until all the papers have been collected.
| A．can | B．will | C．shall | D．should |
---Are you going to see the film with us?
--- I’m not sure. I go to the concert instead.
| A．must | B．would | C．should | D．might |
—Could I please use your computer?
— .
| A．Yes, I can. | B．Yes, you can’t | C．Sorry, you can’t | D．No, I can’t. |
I can’t thank you ________ much because without your help I ________ have won the first prize.
| A．too; wouldn’t | B．very; shouldn’t | C．that; might not | D．so; couldn’t |
Those natives who _________ move from place to place with their animals in the past have moved into new houses at last.
| A．could | B． would | C． might | D．should |
- Look! It’s raining again.
-- Why _________it rain on Sundays? We are always staying inside! What a nuisance!.
| A．need | B．can | C．must | D．should |
As a student, you must ______ your teachers.
| A．show respect for | B．have respect to | C．show respects for | D．have respects to |
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