You _______ see a dentist when you have a toothache. A.mayB.needC.shouldD.can
题型:不详难度:来源:
You _______ see a dentist when you have a toothache. |
答案
C |
解析
情态动词辨析。 may 可以;need 需要;should 应该;can可能,能。句意:当你牙疼时,你应该去看牙医。故选C。 |
举一反三
---Must I do the work today? ---No, you _______. You may do it tomorrow.A.can’t | B.mustn’t | C.shouldn’t | D.needn’t |
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–Look at that girl! Is it Susan? --No, it _______ be her. She has gone back to her hometown.A.mustn’t | B.can’t | C.needn’t | D.wouldn’t |
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The red bike _______be Hu’s. She has a blue bike.A.must | B.might | C.can | D.can’t |
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Trees ____ fight air pollution.They are natural air conditioners.A.should | B.must | C.need | D.can |
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— Wow! You look different! You wear glasses. — Yes, I did. But now I am wearing contact lenses(隐形眼镜).A.could | B.must | C.used to | D.would |
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