_____ is known to us all that the sun rises in the east.

A. As     B. That     C. Which    D. It

--- Did you tell Julia about the result?    ---Oh, no, I forgot. I _____ her now.

A. will be calling                  B. call                C. will call              D. am to call

 About________of the workers in that steel works________ young people.

A. third­fifths; are  B.three­fifths; is        C. three­fifths; are    D.third­fifth; are

The snow lasted a week, ________a serious traffic confusion in the whole area.

A. causing                            B. cause              C. to cause                         D. caused

As a new graduate，he doesn't know ________it takes to start a business here.

A．how                         B．what            C．when                  D．which

 Can you tell me the way you think of________ the problem? 

A．to work out        B．working out      C. work out     D．to work

The story happened in________ and the hero was in his________.

A．1840s；thirty  B．the 1840s；thirty  

C．1840s；thirties  D．the 1840s；thirties

Mr. Smith is _______ a teacher.  He is a friend as well.  We all respect him.

A．other than             B．more than       C．less than     D．rather than

Recently I bought an ancient Chinese vase，________ was very reasonable.

A．the price of it   B．its price   C．the price of which      D．the price of whose

— Do you think the film is good?

— Terrific! ______

A. It couldn’t be better.     B. It could be better.   

C. It is still better.       D. It couldn’t be worse.