-Did you go to the station to see Jenny off-Yes ,Iwatched the train until it ____in the distanceA、disappeared B、was disappearedC、has disappeared D、was disappearing
问题描述：
-Did you go to the station to see Jenny off
-Yes ,Iwatched the train until it ____in the distance
A、disappeared B、was disappeared
C、has disappeared D、was disappearing
答
A问句是一般过去时，答句的时态与之相同。
答
disappear是不及物动词，即不能加宾语。所以是A。
答
A、disappeared
disppear 是消失,不用被动.前面是过去时,故她也用过去时
答
A