6、.having C.ishaving D.arehaving ( )10、Bequiet.Grandparents_____. A.issleeping B.aresleeping C.sleeping D.Sleep ( )1. What _____ your grandfather _____ this time yesterday ? A. is ... doing B. was ... doing C. did .. do D. had ... done ( )2. ____ you _
7、_____ a meeting at four yesterday afternoon ? A. Were ... having B. Was ... having C. Did ... have D. Do ... have ( )3. --I called you at about half past eight last night , but nobody answered --Oh , I ______ in my office at that time . A. will work B. was working C