— I am going to the dentist at 4 o"clock and it is 3:30 now.— Well, if you _____

— I am going to the dentist at 4 o"clock and it is 3:30 now.— Well, if you _____

题型:不详难度:来源:
— I am going to the dentist at 4 o"clock and it is 3:30 now.
— Well, if you ______ leave earlier today, please ask the director for permission.
A.canB.mayC.mustD.will

答案
C
解析
考查情态动词。must在这里是“偏要”的意思。故选C。
举一反三
— Peter was admitted to a second-class college.
— He ________ a top university, but he was addicted to playing computer games.
A.had enteredB.would enterC.must have enteredD.could have entered

题型:不详难度:| 查看答案
Don’t play with the dog, Jack, for it ______ be dangerous at times.
A.shallB.canC.shouldD.must

题型:不详难度:| 查看答案
Walking exercises ____ be boring at times, but on a clear sunny morning nothing could be better.
A.mayB.willC.mustD.should

题型:不详难度:| 查看答案
—A medical team was sent to Japan by air five hours ago.
—So they ______________ have arrived by now. The flight usually takes four hours or so.
A.mightB.couldC.mustD.need

题型:不详难度:| 查看答案
According to the rules, students ______ get grades not lower than 85% in any subject in order to get the scholarship.
A.willB.shallC.mayD.would

题型:不详难度:| 查看答案
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