A Few
1.Where is my pen I ___ it.
A.migth lose
B.would have lost
C.should have lost
D.must have lost
2.The force _____ the earth attracts matter is called gravity.
A.for which
B.to which
C.in which
D.with which
3.This is the most important respect _____ civilized man can be distinguished from primitive communities.
A.in that
B.which
C.where
D.in which
4.The science of medicine ,____ progress has been very rapid lately,is perhaps the most important of all the sciences.
A.in which
B.to which
C.with which
D.which
试卷提供的参考答案：1.D 2.D 3.D 4.A
第1题的 A 为什么不行.第2,3,