What you at this time yesterday?A. did ; doB. is; doingC. were; doingD. are ; doing

发布时间：2020-08-21 04:44:15

What      you      at this time yesterday?
A. did ; do
B. is; doing
C. were; doing
D. are ; doing

网友回答

A. did ; do
B. is; doing
(答案→)C. were; doing
D. are ; doing
解析：at this time yesterday是过去进行时的标志词。
以上问题属网友观点，不代表本站立场，仅供参考！