Tom ___ a lot of famous novels. A. wrote B.was writting C. has written D.had written答案：A.这个句子没有明确的时间状语,也没有语境,完全可以选C 如果tom 还在世
I ___ to school,only to find that it was a holiday. A.hurry B.hurried C.have hurried D. had hurried 答案：B.是正确的 因为后边的是结果状语 并不是 表示过去的时间点 之前 . 所以不能选D
There was complete silence when he ___ the radio. A.has turned off B.turned off C.had turned off D.turns off答案：B 是正确的. 这是时间状语从句 说明 何时才安静 并不是 强调 动作后 才发生 而是同时发生
I don't know when he ___ ,but when he ___I'll speak to him. A.will come ；comes B.comes ；comes C.comes ；will come D.will come ；will come 答案：A是正确的 .前者will come是宾语从句
后者comes 是状语从句 主将从现 是的 瞬间动词的一般时也可以表将来,所以选项B 也是正确的!
She ___ poor in french, but she ___her best to improve it. A.is ; is doing B.is ;does C.was; did D.was;does答案：A是正确的. but 是并列连词 ,前后时态一致 指的是 逻辑关系能说通 的一致
并不是 要求 用 一样的时态 如i used to get up lale,but now i am used to getting up early