题目内容

Itisjustnineo’clock.Theplane__________fiveminutesago.

A. hasjusttakenoff
B. hasjusttookoff
C. justtookoff
D. justhastakenoff

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—“Tomgraduatedfromcollegeataveryyoungage.”—“He________havebeenanoutstandingstudent.

A. must
B. could
C. should
D. might

George_____havemissedtheway,Iexplainedtheroutecarefullyanddrewhimamap.

A. mustn’t
B. isn'tableto
C. couldn't
D. maynot

Susan,you’resolazy.Thisjob_________hoursago.

A. shouldhavefinished
B. couldhavefinished
C. oughttohavebeenfinished
D. musthavefinished

Whenwereachedthepier(码头),theferryhadnotarrivedyet;sowe__________.

A. needednottohurry
B. needn’thavehurried
C. didn’tneedtohurry
D. hadnotneededinhurry

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