是选A还是D呢?为什么不选 AJack _ leave _ his teacher comes back.A:doesn't ; until B:\ ; until C:won't ,\ D:won't ; until

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是选A还是D呢?为什么不选AJack___leave___histeachercomesback.A:doesn''t;untilB:\;untilC:won''t,\D:won''t;until是选A还是

是选A还是D呢?为什么不选 AJack ___ leave ___ his teacher comes back.A:doesn't ; until B:\ ; until C:won't ,\ D:won't ; until
是选A还是D呢?为什么不选 A
Jack ___ leave ___ his teacher comes back.
A:doesn't ; until B:\ ; until C:won't ,\ D:won't ; until

是选A还是D呢?为什么不选 AJack ___ leave ___ his teacher comes back.A:doesn't ; until B:\ ; until C:won't ,\ D:won't ; until
跟条件状语从句差不多,主句将来事态,从句一般现在事态.