(   )1. What ______ from three to four yesterday afternoon?
　   A have you done　 B had you done　C did you do　D were you doing
(   )2. – I called you yesterday evening， but there was no answer．
　　－ Oh．， I’m sorry I _____ dinner at my friend’s home．
　　 A home　          B had　         C was having　D have had
(   )3. She asked him whether he _____ back for lunch．
　　 A come　          B was coming　  C came　      D had come
(   )4. Could you tell me when ______?
　　 A she is coming　 B she was coming　 C will be come　 D is he coming