The students expected ____ more reviewing classes before the exam.

A. there to be 　　 B. there are 　　　 C. there being 　　　　 D. there to have

Orange-uniformed emergency workers are searching the smoking ruins for three people _______ buried when the structure was shaken to the ground.

　A. to fear　　　　　 B. fearing　 　　　　 C. feared　 　 　　　　　D. fear

In January, 2004, the United States successfully launched “Spirit”, a Mars Exploration Rover, _____ a new milestone in the history of mankind.

A. it marked        B. marking      C. marked      D. to mark

Though we left home very late, we_____the last bus.

A. managed to catch　　 B. managed catching　　 C. tried to catch　　 D. succeeded to catch

John is the only one of the students in the class that never________ a mistake even when it is pointed to him.

A.admit making　　　　　 B.admits making

C.admit to make　　　　　 D.admits to make

The incomes of skilled workers went up. _____   , unskilled workers saw their earnings fall.
A. Moreover  B. Therefore C. Meanwhile D. Otherwise

--You have been to Africa? Could you tell me your experience there?
--____________I'll do during the next break.
A. It just depends     B. By all means    C. No way     D. Go ahead

Dr.Smith is an expert on______；you will become thin again.

He appears to be strong and healthy, but _____, he has heart trouble.

A. as matter of fact 　 　 B. as the matter of fact

C. as a matter of a fact 　 D. as a matter of fact