You can go out,()you promise to be back before 12 o'clock.
A. so far as
B. as far as
C. as long as
--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
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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
12.A.ofB.offC.awayD.far
-Mayweleavetheclassroomnow?-No,you______.You______toleaveuntilthebellrings.A.mustn’t,areallowedB.don’thaveto,aresupposedC.needn’t,aren’tallowedD.can’t,aren’tsupposed
[A] that[B] much[C] far[D] so
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