Everything comes with a price; there is no such ______ thing as ______ free lunch in the world.
A.a,aB.the,aC.the,/D./,a [来源:学.科.网Z.X.X.K]
8.—I’m sorry,but I don’t quite follow you.Did you say you wanted to go home on Jan.20?
—Sorry.I______ myself clear.I want to go home on Feb.1.
A.hadn’t madeB.wouldn’t make C.don’t make D.haven’t made
10.______ a certain doubt among the people as to the practical value of the project.
A.It has B.They have C.It remains D.There remains