The news has just ___ that the president is going to visit China next month.

  A. come out     B. put out         C. let out       D. given out

By looking at a problem in as many ways as possible, creative thinkers can find solutions that would ___ remain invisible.

  A. otherwise     B. yet            C. already      D. forever

It was foolish of you to take a taxi ___ you could easily walk there in five minutes.

  A. while        B. when          C. since        D. before

He is only too ready to help others, seldom, ____ refusing them when  they turn to him.

  A. if never      B. if ever         C. if not         D. if no

The traditional approach ____ with complex problems is to break them down into smaller, more easily managed problems.

 A. to dealing     B. in dealing      C. dealing        D. to deal

Someone called me up in the middle of the night, but he hung up ____ I could answer the phone.

  A. as           B. since          C. before         D. until

------ What made little Tony so unhappy and cry in his room?

   ------- _________to go biking with his brother.

A. Having not been allowed         B. Not having allowed 

C. Having not allowed             D. Not having been allowed.

----- Sally is strongly against taking the trip to Hainan.

   ----- _______? It was she who suggested the plan.

   A. How come    B. What about   C. Real       D. Why not

Was it not until you began to work ____ how much time you had wasted?

   A. did you realize               B. that you realized  

C. did you not realize            D. that you didn’t realize

_____ some teenagers don’t realize is ____ difficult life can be after they get addicted to drugs.

   A. What; how   B. That; how    C. That; what   D. What ; what a