________ is known to us that Yang Liwei is China's first astronaut to fly in space．

A．As

B．Which

C．It

D．What

The newly-opened restaurant ________ right ________ the center of the city．

A．locates; on

B．is locating; near

C．is located; in

D．locates; next to

________ fashion differs form country to cuntry may reflect the cultural differences form one aspect．

A．What

B．That

C．This

D．Which

Mr Smith proposed the problem worth paying attention to ________ at the meeting．

A．should discuss

B．was discussed

C．being discussed

D．be discussed

The boy broke all the glass on purpose; he certainly deserved ________．

A．to punish

B．being punished

C．punishing

D．punish

The old man, ________ for twenty years, is on the way back to his motherland．

A．to work

B．working

C．to have worked

D．having worked

Was it from the lake ________ he often went fishing ________ he saved the drowned girl?

A．that; that

B．where; where

C．where; that

D．that; where

A new ________ to teaching language is being used there, and it has turned out to be of great help to the students．

A．approach

B．method

C．means

D．way

He hesitated for a moment before kicking the ball, he could ________ have scored a goal．

A．therefore

B．however

C．besides

D．otherwise

He sat there calmly, ________ unaware of the danger．

A．apparently

B．especially

C．extremely

D．basically