精选优质文档-倾情为你奉上动词时态、语态巩固练习100题(时态)( )1. There _ no hospitals in my hometown fifty years ago. A. is B. are C. was D. were( )2. - Who sings best in your class? - Jenny _.A. do B. did C. does D. has done( )3. - _ the young girl _ the old man clean his room every day? - Yes, she does. A. Does; help B. Has; helped C. Did; help D. Do; helps( )4. - Can I go to Beijing for my