— I told you that he would come to see you.

— Actually I had little doubt _____ it was true.

A. whether 　　　B. that　　 　 C. since　 　　D. if

Watch out ______ cars when you cross the road.

　 A. at　　　　　　　　 B. to　　　　　　　 C. of　　　　　　 D. for

My friend showed me around the city, _________ was very kind of him.

A. which　　　　　　　 B. that　　　　　　 C. where　　　　　　　 D. it

This dish cloth is __________ for me to dry the dishes.

　 A. so wet　　　　 B. wet enough　　　 C. as wet　　　　 D. too wet

sn’t it time you got down to ______the papers?　 (2006 重庆 )

A. mark　 B. be marked C. being marked　 D. marking

The dancers skip ______ to the rhythm of loud drums.

　　　 in diving stilts, they walked into a magic world lighted by learns on board.

A．Dressing　　　 B．Wearing　　 C．Worn　　　　 D．Dressed

有些奇怪的动物会生蛋，但又给它的幼崽喂奶。(lay eggs)

They are broadening the bridge to ________ the flow of traffic.

A. put off　 B. speed up　 C. turn on　 D. work out

Mr Black is the professor_________ I have the greatest respect.
A. to whom                                   B. for whom
C. whom                                     D. who?