See the flags on top of the building?That was ________ we did this morning．

A．when

B．which

C．where

D．what

Look out!Don’t get too close to the house ________ roof is under repair．

A．whose

B．which

C．of which

D．that

________ is our belief that improvements in health care will lead to a stronger, more prosperous economy．

A．As

B．That

C．This

D．It

Most of us know we should cut down on fat, but knowing such things isn’t much help when it ________ shopping and eating．

A．refers to

B．speaks of

C．focuses on

D．comes to

I saw a woman running toward me in the dark．Before I could recognize who she was, she had run back in the direction ________ she had come．

A．of which

B．by which

C．in which

D．from which

Your story is perfect; I’ve never heard ________ before．

A．the better one

B．the best one

C．a better one

D．a good one

Bob ran the 100 meters in 9.91 seconds, and Ihave not seen ________ this year．

A．the best

B．better

C．the most

D．more

David has won the first prize in singing; he is still very excited now and feels ________ desire to go to bed．

A．the most

B．more

C．worse

D．the least

－Are you satisfied with his work, sir?

－Well, I’m afraid it couldn’t be ________．

A．any better

B．the best

C．any worse

D．the worst

The house rent is expensive．I’ve got about half the space Ihad at home and I’m paying ________ here．

A．as three times much

B．as much three times

C．much as three times

D．three times as much