The reason__________ their failure you know is ________ they didn't get fully prepared for the experiment.

A. why.., that　　　　 B. that.., why　　　　 C. for.., that　　　　 D. why.., because

______ you understand the rule, you can do it well.

A. For 　 B. As　 C. Once 　 D. While

I can’t spend _______ money on the car which is ________ expensive for me.

A. too much; much too　　　　　 B. far too; too much　　　　　　　　　

C. much too; too much　　　　　 D. too many; much too

____ the help of experienced career instructors, this type of job-hunting training ____ to be very efficient.

A、By; has proved B、With; has proved C、Under; is proving D、With; is proved

It is thought that one billion people in the world,  ______is half the word’s workers, earn their living by farming.

A. if    　　　　B. that    　　　 C. which   　　　　　D. what

________ you prefer, I'll give it to you. But we haven't any other models for you to choose from.

A．Whatever B．Whenever

C．Whichever D．However

Everyone was ________ in the game and no one noticed the theft.

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

Though it rained heavily, we s　　　　　　　　 in getting there on time.

Full of ______， he closed his eyes.

A.fright　　　　　　 B.frighten　　　 C.frightened　　　　 D.frightening

She put on dark glasses because the sun was ______in her eyes.
A. glaring        B. staring    C. exciting       D. moving