_____was the idea____the wife thought ofAWhat...thatB.That...whatC.How...why

It's a good idea___（clean）the tank. Who is the student _____was late for school today The manager offered the job to Helen,_____was the most suitable for the position _____was the idea____the wife thought ofAWhat...thatB.That...whatC.How...why _____was the best performer?（说明原因） A Whose BWho CWhat DWhich The park was cleaned by my classmates （对my classmates提问） _____was the park cleaned _____? 15.I want to use the same dictionary _____was used yesterday .A.which B.who C.what D.as15.I want to use the same dictionary _____was used yesterday .A.which B.who C.what D.as John said he`d been working in the offic for an hour ,_____was true1.he2.this3.which4.who要原因 _____was in 1492 that christopher columbus arrives in the new world A.this B.that C.it D.time the garden _____was once so beautiful was swept away by the wild water a what b which c 不填 d how My best friend could not come to the party,_____was a pity.选项：A.that B.it C.what D.which 空格处为什么是which,不是that. The solders soon reached _____was once an old temple ____the villagers used as aschool.第一个空为什么要用what,不用where The solders soon reached _____was once an old temple ____the villagers used as aschool.第一个空为什么要用what i feuse to accept the blame for something _____was someone else's fault. Awho B.that C.as D.waht报纸上的 DDDD解释5.What pleased me _____was the news that Hong Kong would be returned to China in 1997.A.mostly B.most C.best D.least 解答一些英文题：John said he'd been working in the office for an hour,_____was ture.John said he'd been working in the office for an hour,_____was ture.A.he B.who C.it D.which 麻烦把原因也写上.还有一个英语短语是.本应该做 有几个介词短语没学好这个主意效果很好The idea___ ___fine.2.他号召他所有的朋友来帮助这位老人.He___ ___all his friends to help the old man.3.the boy takes after his father.The boy___ ___ ___his father in book.(改为同 _____was your trip to beijing last week