78.The light is still on. The student to switch it off. A. must forget B. must have forgotten C. might forget D. may forget 查看更多

 

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“The light is still on.” The student ________ to switch it off.

A. must forget

B. must have forgotten

C. might forget

D. may forget

 

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“The light is still on.” The student ________ to switch it off.

A. must forget

B. must have forgotten

C. might forget

D. may forget

 

查看答案和解析>>


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