A、scale
B、measurement
You () her in her office last Friday; she's been out of town for two weeks.A、needn’t have seenB、must have seenC、can't have seenD、might have seen
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--Must we finish our homework now? --No, you ______. You _______ finish it after school.A.needn't , mayB.mustn't , mayC.can't , canD.needn't , must
“Must I finish my homework now?” “No, you() . But you() finish it this evening. ”A. mustn’ t…mustB. needn’ t…mustC. can’ t…canD. can’ t…must
22.In the daytime, when you dive in the sea, you ________A. can see everything green and blueB. can- t be in dangerC. can catch nothingD. can't see anything clearly
This is very important. You_____remember to shut down your computer everyevenlng。A. oughtB. needC. mustD. can
Must we clearn the room before we leave?No, you _______A.mustn'tB.can'tC.needn't
You ( ) Jenny at the meeting this morning because she left for Hong Kong last night.A、wouldn’t have seenB、shouldn’t have seenC、mustn’t have seenD、can’t have seen