While we , we saw a UFO land on a street. A. were shoppingB. shoppedC. are shoppingD. shop

发布时间:2020-08-22 01:13:08

While we     , we saw a UFO land on a street.
A. were shopping
B. shopped
C. are shopping
D. shop

网友回答

(答案→)A. were shopping
B. shopped
C. are shopping
D. shop
解析:本题主要考查的是while 引导的时间状语从句,当主句为一般过去时时,从句用过去进行时,即从句的动作发生在主句的动作之中,故选答案为A
以上问题属网友观点,不代表本站立场,仅供参考!