Scientists say it may be five or six years _______ it is possible to test this medicine on human patients.

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

After 10 years of hard time,the young lady has turned movie star, _______ she dreamed of becoming in her childhood.

A. who B. which　  C. that　D. what

I remember quite well that it ______Sue and John who helped me that morning

A. has been     B. were      C. are      D. was

Last night he worked until late. _____, he had to walk home in the dark.

    A. In other words        B. In return        C. In my view           D. As a result

   — I’ll be away on a business trip for a week. Would you mind looking after my dog?

— Not at all.        .  

       A. I’ve no time      B. I’d rather not     C. I’d like it          D. I’d be happy to

短文改错（共１０小题，每小题1.5分，满分１5分）

此题要求改正所给短文中的错误。对标有题号的每一行做出判断：如无错误，在该行右边横线上画一个勾（√）；如有错误（每行只有一个错误），则按下列情况改正：

    此行多一个词：把多余的词用斜线（\）划掉，在该行右边横线上写出该词，并也用斜线划掉。

    此行缺一个词：在缺词处加一个漏字符号（∧），在该行右边横线上写出该加的词。

    此行错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词。

    注意：原行没有错的不要改。

My friend Kate was a pretty girl whose sweet voice

drew others’ attentions. Last year, she left to study at a music        1.______

school. Yesterday she called to say that she wants to see me but      2.______

not at my house. So we fixed a time and a place and then hung.       3.______

Today I met her at a given time and place. Greatly                 4.______

to my surprise, I found her so much changing. She                    5.______

looked very sorrowful and worrying. She said she had made              6.______

such little progress that she was almost hopeless of success.            7.______

She wondered that whether she had been wasting her                       8.______

time doing nothing. I knew she just needed some encouragement.        9.______

So I did what I could persuade her to gain her courage again.            10.______

“You ___ not be too careful in the exam. Do and check your papers carefully and you ____ not take your papers out of the examination room after the exam.” the teacher told us before the exam.

A. must; should         B. can; shall           C. must; shall             D. can; should

Thousands of Haitians cheered as the Chinese medical team arrived，many of     ______even cried with joy.

       A．those    B．them    C．whom        D．who

-- I'd like to invite you to a party tomorrow evening.

-- Thank you, but ______ I'll be free I'm uncertain.

A. while                          B. if                      C. when                 D. whether

25. The doctor recorded the ______ of the old man’s death as heart failure.

A. effect                  B. result                   C. reason                D. cause