“Look at these tracks. It _______ be a wolf.” “Don’t be so sure. I think it ___
题型:不详难度:来源:
“Look at these tracks. It _______ be a wolf.” “Don’t be so sure. I think it _______ be a fox.”A.must; could | B.may; might | C.need; must | D.could; need |
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答案
A |
解析
根据 Don’t be so sure 可知前面一空应填must。第二空填的could表示推测,虽为过去式形式,但表示现在意义,语气较委婉,它与表推测的 can 主要用于否定句和疑问句不同,它可以用于肯定陈述句。 |
举一反三
“Did Jim come?” “I don’t know. He _______ while I was out.”A.might have come | B.might come | C.mush have come | D.should have come |
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—How about paying a visit to Mr. Richardson, our former history teacher? —Good idea. I will e-mail him today so he ___ know ___ to expect us.A.may,when | B.would, why | C.will, how | D.shall, why |
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When he was there, he ____ go to that coffee shop at he street corner after work every day.A.would | B.should | C.had better | D.might |
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—___John come here tonight? —I’m not sure, but he ______ stay at home.A.May, might | B.Can, must | C.Must, might | D.Can, migh |
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You____scold such a pupil who always keeps silent so seriously that You______hurt him.A.should; can | B.may; will | C.mustn’t ; may | D.can’t must |
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