Nobody likes his tiresome stories, so by the time he finishes, everybody_______.

A. will sleep　　　　　 B. is sleeping

C. will be asleep　　　　 D. will fall to sleep

I walked slowly through the market, where people ________ all kinds of fruits and vegetables. I studied the prices carefully and bought what I needed.

A. sell　　　　　　 　 B. were selling　　 C. had sold　　　　 D. have sold

When I went in , they were ____ in a heated discussion .

A .absorb　　　 　　 B .absorbed　　 C .absorbing　 D .being absorbed

You ________ the chance of a good job by your stupidity.

A．threw away 　　 B．threw about

C．threw off　 　　 D．threw up

Knowledge is ______ city, to ______ building of which every human being brought a stone.
    A．the; the   B．a(chǎn); the   C．the; 不填   D．a(chǎn); 不填

The teacher told the students to stop_____ to him.

A. to write and listen　　　 B. writing and listening　

C. to write and listening　 D. writing and to listen