When______the train______?Half an hour agodid ,leavehas ,leftis,leavingwas,left

When______the train______?Half an hour agodid ,leavehas ,leftis,leavingwas,left Hurry up!The train_.You know it_at 9:00 a.m.A.leaves;leaves B.is leaving;leaves C.leaves;is leaving 用所给动词的适当形式完成下列句子some______(do),but some_______(not do)when______the first class _____(begin)?each class_____(be)forty minutes long. 定语从句关于关系副词Where和介词+ which的选择The train_ i spend my holiays.A.on which B in which Cwhere D that我觉得A和C都可以, 问一道英语句型转换的题目.I was frightened when i heard the wisper.（改为一般疑问句）_____you frightened when______the wisper?“was frightened”是被动语态吗,我觉得不是,但不知什么语态..----You want________apples 1Look!What you've done!You_more carefula.should have been b.had toc.would be a.may be句意是什麽,为何选a2To travel from England to Scotland you_a passport.b.needn't d.don't need为何选d3Why hasn't Mary turn up?I think the train_.b.might be d 非谓语动词作状语________in deep thought,he did not notice me enter the room A.lost B losing Cto have lost D having been lost 错解：D 正解：A When______the education system of China and Britain,the professor gave no answer A.being asked 1.When they heard the news,they burst into tears.When______the news,they couldn't help______2.Their new school is twice the size of the old one.Their new school is ______ ______ ______ ______the old one.3.This also protects the air,soil,water and cro