()to bed early unless you think it is necessary.A.does not goB.not to goC.not goingD.do not go

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()to bed early unless you think it is necessary.A.does not goB.not to goC.not goingD.do not go
()to bed early unless you think it is necessary.
A.does not go
B.not to go
C.not going
D.do not go

()to bed early unless you think it is necessary.A.does not goB.not to goC.not goingD.do not go
D,祈使句

为什么选择B啊??? up to 忙于固定词组 固定搭配,忙于…… 习惯用法而已,必有原因,但是不清楚。 be up to 从事某种工作

D