After the new technique was introduced the factory produced ______cars in 1994 as the year before.

A. as twice many     B. as many twice  C. twice as many     D. twice as

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

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

That she hadn’t kept her ____ on her work resulted in the failure.

A、head B、heart    C、brain    D、mind

Elbert Einstein, for ______ life had once been very hard, was successful later in science .

 A. whom  B. whose  C. which  D. his

Everyone was on time for the meeting, ______Chris, who’s usually ten minutes late for everything.

A. but       B. only  C. even      D. yet

--Which play shall we go and see?

----__________________.

A. I'm afraid we can't

B. I don't think it's interesting

C. Yes, I quite agree with you    

D. I'll leave it to you

There was less food for birds and also for the Prairie dog, an______holes in the ground.

A. livs         B. is living       C. living       D. lived

After her son gave his life for the country, Sally was well provided____________.

A. with         B. for         C. on         D. /

Can you imagine how late I went to bed last night？It was nearly 1 a．m.______ I finished my article.

A．that B．when

C．beforeD．as

She could have given us a better impression，but she ______ a very short mini skirt.

A．wear  B．wears  C．wore   D．is worn