What did you see when you___to the park?A.will walk B.is walking C.are walking D.were walking
问题描述:
What did you see when you___to the park?A.will walk B.is walking C.are walking D.were walking
答
d 过去进行时
前面都用did了
答
D
答
D,
很明显的过去式
答
D
用过去进行时与主句的过去式对应。
答
D
其它选项和主句时态不一致.主句是一般过去时