when i finished the story,lenin jumped from his chair and start to pace the floor_,deep in thoughtA.whith his head bending B.his had bending C.his had bent,D bending his had为什么选C,求详解

She had finished writing the letter when I went in. When I ___ on the TV,it had finished already. You shall borrow the book when I have finished reading it为什么要用have finished,这里是有什么语法呢,finished不可以吗 I will go to see you when you finish/finished/have finished the course是哪个,为什么如果这里只给你finish/finished呢？是选一个 I had finished reading the book when he came改为一般疑问句 No sooner ____ finished my work ____ the boss come.A.had I,when B.I had,when C.had I,than D.I had,when Hardly ( ) my homework when the clock began to ring.选项:a、did I finishb、I finishedc、finished Id、had I finished Hardly ( ) my homework when the clock began to ring.选项:a、did I finishb、I finishedc、finished Id、had I finished I will write a preface when I have finished the book.和 I will write a preface when I finish the book 的区别, When I arrived at the meeting,the first speaker __and the audience__.为什么选had finished speaking,were clapping 横线上填什么?要理由.I felt——（放松）when i finished the exam. hardly my homework when Tom1.hardly my homework when Tom me to play basketball against the team members from NO.2Middle School in our city.A had i finished,asked B had i finished,had asked C i had finished,asked DI had finished,had finished —May I go to the movies tonight,mum?—You can when you______your homeworkA.will finish B.are finishing C.will have finished D.have finished mum,can i go to the zoo with linda?-when your homework ( ),you can.a.is finished b.was finishedc.finishes d.finished I will go to see you when you ___ the training course1.finished 2.finishC are finishing 4.will finish can I go to the zoo? When you homework____,you can 为什么要用 is finished 不用was finish When will the work be finished,i couldn't____A say.B tell C speak D talk选哪个呀, Mary had finished her homework ____ the time I got home.A.until B.by C.at D.when