In a sports team each player has a clear role, and there are few occasions _______ members are confused or uncertain of
their roles. A. which    B. when      C. that      D. how

 To his disappointment, the opinion he had stuck ______ out wrong.
    A. to turn               B. to turning     C. to turned        D. to be turned

.We waited and waited. ______we had been looking forward to .
A. Then came the hour   B. Then did the hour come C. Then the hour came D. The hour then came

-----How about the book you are reading?
    -----Good indeed. It______ many problems we have come across in our study.
A. says   B. talks    C. covers     D. refers

Clothing made of man-made fibers has certain advantages over           made of natural fibers like cotton ,wool or silk. 
A. the ones             B. one            C. that                    D. what

The house rent is expensive. I’ve got about half the space I had at home and I am paying ______ here.
A. as three times much   B. as much three times   C. much as three times       D. three times as much

Each of the 400 people received from their boss ______ gift － “Who moved my cheese?” , ______ best-seller in the US, which helped them understand how to deal with changes in their lives and work.
A. the; /         B. a; /     C. a; a     D. the; a

Many difficulties have ______ as a result of the changeover to a new type of fuel.
    A. risen         B. arisen         C. raised       D. arose

The way he did differed _____ what we were used to______ some aspects.
A. from, in      B. in, from        C. from ,to         D. at, in

After the Shenzhou VI capsule (太空艙 ) touched down, two astronauts succeeded in traveling around the earth, thus again   _________ China is a global space power.
    A. proving      B. to prove     C. to have proved      D. being proved