初三英语语法专题时态与语态强化与提升训练

( …………○…………外…………○…………装…………○…………订…………○…………线…………○………… ) ( ※※请※※不※※要※※在※※装※※订※※线※※内※※答※※题※※ ) ( …………○…………内…………○…………装…………○…………订…………○…………线…………○………… ) 初三英语语法专题时态与语态强化与提升训练 一、单选题 1.My mother _______dinner now. A. is cooking                        B. does                            C. cooks                            D. cook 2.—Where's Sam? —He _______ for a test in his room. A. study                           B. studies                  C. studied                 D. is studying 3.      Mr. Smith who I didn't know came to visit you when you      out. A. A, are                             B. A, were                             C. the, are                             D. the, were 4.— I called you this time yesterday, but there was no answer.       — Oh, I'm sorry. I ______ dinner at my friends' home.       A. have                              B. had                              C. was having                              D. have had 5.（2015