UC: QQ:1 名词性从句，请解析：1.I'm thirsty.__c__we need is water.A.All what B.Which C.All D.That不明之处：我选的是A，我记得All是代词，在这里起中心词的作用。2.His suggestiong__B__the meeting be delayed was turned down.A.which at C./ 不明之处：难道同位语从句里也用虚拟语气？3.Ask him how much__D___?A.did it cost es it cost costs cost不明之处：我很郁闷，怎么就用动词原型呢？莫不是答案错了？4.What he left me are but a few old books.不明之处：这个But怎么用的？5.__D__was lying.A.Those who told you that B.Anyone told you C.Whoever told you D.Whoever told you that不明之处：和第1题一样。6.Please tell me how you want your coffee-black,with milk or with sugar.不明之处：精析，特别是为什么用how。
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