．       Knowledge of English is a must in international trade.

A. the   B. /    C. A   D. An

. With the weather conditions   , they flew to London immediately.

A. considered  B. considering   C. to consider   D. to be considered

 ---Have you decided already?

  ---Yes, I    at once.

A. have decided   B. decided  C. will decide   D. had decided

She   unspeakable trouble while she considered all these questions.

A. suffered from   B. suffered  C. meet   D. meets with

The store had to     a number of clerks because sales were down.

A. lay out   B. lay off C. lay aside   D. lay down

Readers can   quite well without knowing the exact meaning of each word.

A. get over   B. get in   C. get along  D. get through

the trees in that thick forest are so dose together that there is hardly any room to move  them.

A. between   B. in   C. among   D. across

It is     impossible.

A. very  B. quite   C. rather  D. fairly

.—Is there anyone who is gong the Great Wall?

 _______

A. None    B. No one   C. No    D. Not any

．It is very difficult to     his mind because he is always changing his mind.

A. see  B. read   C. understand  D. find