11.Your ideas, ___B____, seem unusual to me.

　　A. just as hers

　　B.like hers

　　C. as hers

　　D.different than hers

　　12.His father is __B_____ than his mother.

　　A.older two years

　　B.two years older

　　C.elder two years

　　D.two years elder

　　13.The math problem is __A____ to work out.

　　A.too difficult

　　B.difficult much

　　C.enough difficult

　　D.much difficult

　　14.In the preface ___D_____ my book, I thanked all the people who had been of help to me.

　　A. of

　　B.in

　　C.for

　　D.to

　　15.Some members of the staff couldn’t handle Murray’s condition, hard ___C___ they tried.

　　A. when

　　B.although

　　C.as

　　D.even if

　　16.He thought that _____C___________.

　　A. the effort doing the job was not worth

　　B.the effort was not worth in doing the job

　　C. it was not worth the effort doing the job

　　D.it was not worth the effort by doing the job

　　17.I want __A___ a picture for her.

　　A.to draw

　　B.draws

　　C.draw

　　D.drawing

　　18.If you get up ___B_____, you will miss the plane.

　　A. lately

　　B.late

　　C.latter

　　D.later

　　19.It is wise ____A_____ the case that way.

　　A. of him to settle

　　B.for him to settle

　　C. of his settling

　　D.that he settle

　　20.Output is now six times ___C_____ it was before liberation.

　　A. that

　　B.which

　　C.what

　　D.of which