30.-You must　　　　 what I have done for you before you leave.

　-Well, how much does it　　　 ? Is 100 dollars enough ?

　A　 pay for, cost B　 pay, spend C　 spend, pay for D　 pay, cost

29.-Do you think there are　　　 new words in this unit ?

　-Yes, that’s right. I’ll　　　　 first.

　A　 too much, look them up B　 too many, look up them

　C　 much too, look them up D　 too many, look them up

28.-You can hardly swim, can you ?

　-　　　 . But my mother says she’ll teach me during my summer holiday.

　A　 Yes, I can’t. B　 No, I can. C　 No, I can’t. D　 Yes, I can.

27.-I hear a traffic accident happened yesterday. Was it terrible ?

　 -Yes. A car fell over and all the people in it were badly hurt. But luckily,　　　 of them were killed.

　A　 neither B　 none C　 every D　 both

26.-Does the man need　　　　 operation at once, Doctor Li ?

　 -Yes, only　　　 small one. But the sooner, the better.

　A　 an, a B　 a, a C　 an, the　 D　 ×, ×