Question

一些英语时态选择题

1)after I had walked for six hours,( ) A;i had been tired out B:i 'll be tired out C:i was tired out D;i would have been tired out 2)the students( )busily when Miss Green went to get a book she( )in the office. A;had written,left B;were writing,has left C;had written,had left D;were writing,had left 3)"we could have walked to the station as it was so near." "yes.a taxi( )at all neccessary." A;wasn't B.hadn't been C;wouldn't be Dwon't be 4)he'll be an astronaut by the time he( )thirty A;is B;had been C;will be D:is going to be 5)we were all surprised when h made it clear that he( )office soon A;leaves B;would leave C;left D;had left 请分析下原因！先谢谢各位了~

Answer 1

第一题选
D
过去将来时
第二题选
D
when
引导的瞬间点，要用进行时再加上过去时态，排除ABC
第三题：选C
这句话意思是：早知道车站这么近，就不用打的了，是啊，的不是什么时候都必要的。这题考的是虚拟语气，故选C虚拟语态的否定
第四题：选D时间正在进行时
第五题：选C