1.It makes good sense to buy a large packet --------.it works out cheaper in the end.

1.It makes good sense to buy a large packet --------.it works out cheaper in the end.
A.so B.as if C.because D.even if
2.While playing for the gas ,Kate told the seller about the night ---- she had spent at the Inn.
A.in which B.when C.on which D.that
3.-----Did they offer us enough books?
----______than we had expected.
A.much more B many more C.little D.rather
4.This kind of gleases _______(sell)well here.But gleases of that kind ______(not sell)well.
请说明原因的解释其中运用的知识 答案不重要.
答案依次为：C,D,B,sells,don*t sell