The present situation  is very complex, so I think it will take me some time to ______ its reality.

    A. make up            B. figure out          C. look through     D. put off

He _____the problem _____in his mind for a whole week before he did anything about it.

A. switched; on        B. kicked; up       C. turned; over         D. took; on

_______ is our belief that improvements in health care will lead to a stronger, more prosperous economy.

  A. As     B. That     C. This     D. It

My grandma still treats me like a child. She can’t imagine ______ grown up.     

 A. my                  B. mine　　         C. myself               D. me

There are four bedrooms, ______ with its own bathroom.

A. all  B. each

C. every    D. either

一个四棱锥和一个三棱锥恰好可以拼接成一个三棱柱.这个四棱锥的底面为正方形，且底面边长与各侧棱长相等，这个三棱锥的底面边长与各侧棱长也都相等．设四棱锥、三棱锥、三棱柱的高分别为，，，则（　　）

Ａ．           Ｂ．                  Ｃ．              Ｄ．

The Great Wall is ____ tourist attraction that millions of people pour in every year.

A. so a well-known              B. a so well-known  

C. such well-known              D. such a well-known

—I’ve got to go now.

—Must you ?I ______you could stay for dinner with us.

A. think                               B. thought

C. have thought                        D. am thinking

This is the _____ piano on which the composer created some of his greatest works.

A. actual       B. genuine       C. real      D. original

More than one-third of the Chinese in the United States live in California, _____ in San Francisco.

A. previously    B. predominantly    C practically     D. permanently