一Isn't it a surprise that I happened to meet Francis Mathews at the Christmas party last week?

一If my memory serves me correctly, you _____ each other for exactly two years.

A. hadn't seen     B. haven't seen         C. didn't see        D. don’t see

If you keep on, you’ll succeed _____. Wish you success in the examinations.

　 A. in time 　   B. at one time C. for the same time 　 D. sometimes

In the 16-19 age group，32 of women smoke ______ 28 of men.?

　 A. comparing to 　 B. comparing with  C. compared to 　 D. compare with

阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在相应位置上。

US President Barack Obama sat down for beers with a Harvard professor and a police officer at the White House on July 30. They were not talking about big problems,  1  making small talk.

   A few weeks ago, the white police officer, James Crowley, arrested the black professor, Henry Louis Gates.

   On July 16, police went to Gates’ home   2   a neighbor called the police to say that she had seen two men trying to force open the front door. Gates was coming home from a trip and found his door  3  (stick) , so he and his taxi driver tried to force it open.

   Crowley arrived and asked Gates to prove he was the   4  (own) of the home. But Gates flew into a rage and accused Crowley  5  being racist. Crowley arrested Gates. A hot debate was stirred up. Obama suggested holding a "beer summit" in the hope that the men  6  work out their problem by talking.

   Racism has been  7   major problem in US history. Historically, the country has been dominated by whites. Blacks, American Indians, and some other peoples were discriminated.

   Over the years, much progress has been made in fighting racism. In 1964, the Civil Rights Act was passed. It made discrimination based on race and color illegal. In 1965, President Johnson passed the Voting Rights Act, making   8  easier for blacks to vote.

   In 2008, Obama became US’ first black president. This was a big step forward. However, the Gates incident suggests that US still   9  (have) a long way to go        10  it has fixed its racial problems.

He        the job well, but he     so careless.

A. had done;  had been

B. could do;  was

C. could have done;  was  

D. hadn’t done;  had been

______ I had done it I knew I had made a mistake.

 A. Hardly  B. Directly  C. Mostly  D. Nearly

—He       to the meeting. Have you informed him of it?

   —Sorry. I       to.

A. hasn’t come; am going

B. didn’t come; have forgotten

C. hasn’t come; forgot

D. doesn’t come; will have

— May I go and play football with Dick this afternoon, Dad?

— No, you can’t go out ________ your work is being done.

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

After finishing middle school, my sister did nothing ________ at home.

A. but to read  B. but read       C. besides reading D. except to read

Is this research center ________ you visited the modern equipment last year?

A. where  B. that    C. the one that        D. the one where