_______ such heavy pollution already, it may now be too late to clean up the river.

　　 A. Having suffered　 B. Suffering　 C. To suffer　 D. Suffered

Mike must be angry with me, for he walked   　       me without even saying hello.

A．past　　　 B．on　　　 C．a(chǎn)t　　　 D. over

Children under 10 are not permitted _____ the film.

　 A.to see　　　 B. seeing　　 C. saw　　　 D. watched

The great success of this programme bas been________due to the support given by the local business men.

　 A. rather　　　　　　　 B. very　　　　　 C. quickly　　　　　　　 D. largely

—How long have you been in this office?

—Just a few minutes. My cousins_______here together with me.

A. have walked       　　 B. had walked

C. walked            　　　 D. have been walking

Mrs Green took up the story at the point____the thief had just made off with the jewels.

A. where　　　　　　 B. which　　　　 C. as　　　　　　　 D. when

By the time he realizes he 　　　into a trap, it’ll be too late for him to do anything about it.

A．walks　　　　　 B．walked　　　 C．has walked　 D．had walked

Peter’s jacket looked just the same as Jack’s, but it cost　　　　　 his.

A. as much twice as　　　 B. twice as much as

C. much as twice as　　　 　 D. as twice much as

The boy was led _______while crossing the road.
A. in the hand     B. by his hand     C. by hand     D. by the hand

Tom is a student and studies hard. ________ John.

A. So does　 　　B. So is

C. So it is with 　 D. So do