1 . Although the test ________ look like a simple one, great care is needed.
A.may | B.must | C.should | D.need |
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2 . —Daddy, how much do you earn an hour?
—If you ______ know, $20 an hour.
—If you ______ know, $20 an hour.
A.may | B.must | C.can | D.should |
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2010·北京·一模
3 . What's your opinion of Mr.Li's request that we ______ spend half an hour reading English aloud every morning?
A.would | B.should | C.must | D.could |
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