He___until he finished his homework?A.didn't go to bed B.went to bed C.won't go to bed Dgoes to bed 选哪一个?请给出正确答案,说明原因.拜托了!

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He___until he finished his homework?A.didn't go to bed   B.went to bed    C.won't go to bed   Dgoes to bed 选哪一个?请给出正确答案,说明原因.拜托了!

He___until he finished his homework?A.didn't go to bed B.went to bed C.won't go to bed Dgoes to bed 选哪一个?请给出正确答案,说明原因.拜托了!
He___until he finished his homework?
A.didn't go to bed B.went to bed C.won't go to bed Dgoes to bed 选哪一个?请给出正确答案,说明原因.拜托了!

He___until he finished his homework?A.didn't go to bed B.went to bed C.won't go to bed Dgoes to bed 选哪一个?请给出正确答案,说明原因.拜托了!
A
这个句型是过去时,until 就表示了这个句子是过去将来,用didn't go to bed就保持原意.

A
not until 句型

A,句型是not...until
而后面是finished,故选A

a
1 not...until... 固定搭配
2 finished 过去时

A
not until 固定用法

A,句型是not...until 直到...才...
而后面是finished,过去时,故选A

C
条件壮语丛句,主句将来是从句先在进行时(过去时)