41.The room is so too small for us _c______.A.to live B.living C.to live in D.to living in
42.I don’t think you will ever finish your walk,_a______?
A.will you B.won’t you C.do I D.don’t I
43.Is _c_____ necessary to complete the work before National Day?A.this B.that C.it D.he
44.I don’t think _d______ possible to master a foreign language without much memory work.
A.this B.that C.its D.it
45.__d_____ is true that English is used as an international language.
A.There B.This C.That D.It