You should apply 　　 the publisher　　  permission to reprint the extract.

A.to;for　　　　　B.for;to　　　　C.to;to　　　　　D.for;for

Was it _______ that they saw?

    A. she　　　　　　　　 B. that she　　　　 C. her　　　　 D. herself

　He was made _____.

　　A. go　　　　　　　　　　　　　　　　B. gone

　　C. going　　　　　　　　　　　　　　 D. to go

The teacher asked more _____ to prevent the students’ eyes from being injured.

A. to do             B. done 　          C. to be done          D. being done

As more and more cars are produced and used, so the _____ from their exhaust-pipes contains an even larger volume of poisonous gas.

　　A. exposure  B. distribution  C. expansion  D. emission