精选优质文档-倾情为你奉上过去进行时一过去进行时选择填空 ( )1. What _ your grandfather _ this time yesterday ?A. is . doing B. was . doing C. did . do D. had . done( )2. _ you _ a meeting at four yesterday afternoon ?A. Were . having B. Was . having C. Did . have D. Do . have( )3. A: I called you at about half past eight last night , but nobody answered .B: Oh , I _ in my office at that time .A. will work B. was working C. worked D. had wo
