Having been attacked by terrorists, ____________.

A. doctors came to their rescue

B. the tall building collapsed　

C. an emergency measure was taken

D. warnings were given to terrorists

I have a really bad headache, and I have to ________ a doctor about my pains.

A. see B. consult C. inform D. advise

Some researchers believe that there is no doubt ______ a cure for AIDS will be found.

　 A. which　　　　　　 B. that　　　　　　 C. what　　　　　　 D. whether

I can hardly imagine Peter＿＿across the Atlantic Ocean in 15 days.

A.sail B.to sail C.sailing D.to have sailed

Will you __________ me __________ out this problem myself?

　 A. permit, working B. let, work　　　　 C. allowed, to work　　 D. forbid, to work

Do you know who invented America?

“You went late _______ the stadium yesterday evening, didn’t you?” “Yes, my wife was a little late _______ the supper.”

A. to, with　　　　　　　　 B. for, with

C. for, for　　　　　　　　 D. at, for

Xiamen is ______ most beautiful coastal city and I’ll come for _____ second visit.

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

What you do can a______ for what you say before us.?