B ______ your knees and keep your back straight when lifting heavy objects.

We wanted to buy a bigger house than this but we had to cut our　　 according to the cloth.

A. clothing　 B. clothes　 C. dress　 D. coat

About 300 students from our school ________ (参加、v )the lecture given by the famous professor.

Small as it is, the ant is as much a creature as ____ all other animals on the earth.

A、are B、is C、have D、do

He was determined that his children to the best school available.

　　A. should go B. went C. ought to go D. would go

In my opinion, what he told us just now about the affair simply doesn’t make any______ .

A. idea        　　B. meaning　　　 C. sense       　　D. point

Most of the artists _____ to the party were from South Africa.

A. invited 　 B. to invited　　 C. being invited 　 D. had been invited

She thought I was talking about her daughter，________， in fact, I was talking about my daughter.

A．whom 　　 B．where　　　　 C．which 　　 D．while

_____ to give up smoking, he threw away his _____ cigarettes. 
  A. Determined; remained         B. Determined; remaining  
  C. Determining; remained         D. Determining; remaining