.He divided the tools ___________ the children, who were ___________ three groups.

A. between; separated from

B. among; divided into

C. between; divided into

D. among; separated from

He _________ more that 5,000 English words when he entered the university at the age of 15?
   A. has learned  B. would have learned C. learned  D. had learned

I didn`t find the book in the school library which you ______.
  A. had referred to     B. referred       C. had referred for     D. referred to

Our teacher looked here and there on our playground ________ looking for something.

A. even though　　 B. even if　　　　　 C. as if　　　　　　 D. only if

Everything has its advantages and d__________. Going on-line is no exception.

He made one big mistake, and , ______, lost his job.

A. in a word　 B. in fact　 C. at last　　　　　　 D. as a result

Did you have any trouble __________________（相互了解）while you were abroad? (understand)

Rivlin pointed out that the great pressure on the US financial market ________ in the past few weeks.

A. was relieved B. has been relieved

C. had relieved D. had been relieved

All the children listened to his thrilling a　　　　 in Africa with great

Some 1,000 new words or usages join the English language each year．Some go into the dictionary．Others ____from use．

　 A．remain 　　　 B．leave　　 　　 C．fail　　　　　　 D．fade