问题补充:
单选题Thepoorgirlacrosstheroadacarknockedherdown.A.walked; whileB.walked; sinceC.was walking; untilD.was walking; when
答案:
D解析根据时间状语从句,从句的动作发生在主句动作之中,主句用进行时,而从句用一般过去时,故选D
时间:2021-10-20 01:21:39
单选题Thepoorgirlacrosstheroadacarknockedherdown.A.walked; whileB.walked; sinceC.was walking; untilD.was walking; when
D解析根据时间状语从句,从句的动作发生在主句动作之中,主句用进行时,而从句用一般过去时,故选D