35．--How much shall I pay for the phone call?

　 --You ________ . This is free of charge.

A．shouldn't　　　 　　 B．can't　　　　 　　 C．don't have to　　　　 D．mustn't

34. The blue coat has ___ over the years.

A. faded　 B. vanished　 C. paled　　 D. disappeared

33．--Hurry up! It's time to return home.

　 --OK, __________.

A．I come　　 　 B．I've come　　 　 C．I came　　　 D．I'm coming

32.　 Mom, I lost ____ diamond ring my boyfriend bought for me. Could you keep _____ eye out for it when you clean the house?

A. the; an　　　　　　　　　 B. a; an　　　　　 C. a; the　 　　　　　　 D. the; the