What at nine o’clock last Sunday morning.?
A. was you doing
B. were you doing
C. are they doing
D. do you do
网友回答
A. was you doing
(答案→)B. were you doing
C. are they doing
D. do you do
解析:此题重点考查过去进行时的特殊疑问句的基本构成。表示过去具体时间所做的事用过去进行时,结构为was或were doing,第二人称you用were,故本题选B。