Don’ttalkaboutsuchthingsof__________youarenotsure.A.whichB.whatC.asD.thoseDon’ttalkaboutsuchthingsof__________youarenotsure.A.whichB.whatC.asD.those为什么这题的答案是A啊,先行词被such修饰不是应该用C.

　　Don’ttalkaboutsuchthingsof__________youarenotsure.A.whichB.whatC.asD.those

　　Don’ttalkaboutsuchthingsof__________youarenotsure.

　　A.whichB.whatC.asD.those

　　为什么这题的答案是A啊,先行词被such修饰不是应该用C.为什么这道题不能选as而下面那题的答案就是D.as呢?这两道题的区别在哪里?

　　Thereisnosuchplace________youdreamofinallthisworld.

　　A.thatB.what

　　C.whichD.as