91. They are going to erect(树立) a monument _____ memory of the men who offered their lives in defense of their country.

A.on                           B. for                           C. to                           D. in

71. People eat a lot of sugar __________ cakes, soft drinks, sweets and so on every day.

A. in form of              B. in the shape of        C. shaped by               D. at form of

51. Don’t put your cell (手机) _____ the edge of the table, or it will fall off

A. at                                   B. on                           C. to                                   D. In

31. Einstein didn’t care for money. Once he used a check _____ $1000 as a bookmark and then he lost it.

A.for                           B. of                         C. about                       D. To

11. Tom was arguing _____ the payment of the bill_____ John.

A. about; on               B. over; with               C. on; on                 D. with; with

100.As the busiest woman in Norton,she made_________her duty to look after all the other people’s affairs in that town.

A.this                   B.that            C.one                D.it

80.It was not until 1920 ______ regular radio broadcasts began.

A. while　　　      B. which　　　　   C. that　　　　       D. since　　

60. She is doing her homework .I'll do_______.

　A. such              B. so                  C. the same     D. the same as       

______   that there′s another good harvest this year.

A.It says　　　         B.It is said　   C..It was said　　 D.He was said

_________raining hard for 3 hours without stopping.

A.It is　　　    B.It was　　　     C.It has been    D.It had been