1. In America, _____ car is _____ popular means of transportation.
A. the; a B. a; the C. the; the D. the; /
选A。本题考查冠词用法。 可数名词car 前加定冠词表示类指；means意思是方式；方法单复数同形。
2. How long have you been in this office?
Just a few minutes. My cousins_______here together with me.
A. have walked B. had walked
C. walked D. have been walking
选C。本题主要考查动词时态交际中的应用。根据here together with me 可知，是表弟来里的行为发生在过去某一时间，因此本题的正确答案选C。
3. Every boy and every girl ________ pleased when they saw Shenzhou VI was sent up to space.
A. is B. was C. are D. were
选B。由and连接的并列单数主语前如果分别有each, every, no等修饰，谓语动词用单数形式。
4. I thought _____ no use talking with him. _____ was a waste of time.
A. thereThere B. itIt
C. thereIt D. itThere
选B。前空it作形式宾语，后空it指与他交谈这回事。
5. If you dont study hard, youll regret, _____ you?
A. wont B. dont C. will D. do
选A。由主句youll regret确定。
6. Im thinking of losing weight these days.
Oh, you_______be out of your mind. Youre 50 kilograms at the most!
A. will B. should C. may D. must
选D。本题考查情态动词的用法。由下句 youre 50 kilograms at the most可以推断出来，由此可知，你还减肥，你肯定是(must be)疯了。
7. ____ makes our school proud is _____ more than 80% of the students have been admitted to key universities.
A. Whatbecause B. Whatthat
C. Thatwhat D. Thatbecause
选B。主语从句缺主语用what；表语从句句意完整用that。
8. There is a ______ cup on the table.
A. nice new big plastic B. new plastic big nice
C. nice big new plastic D. new nice plastic big
选C。本题考查形容词排列顺序：描绘性形容词大小新旧材料
9. Yang Liwei spent the whole evening talking about the things and persons ________ none of us has ever heard of in CCTV station.
A. which B. who C. whom D. that
选D。 当先行词同时出现人和物时，只能用that指代。
10. In the traffic accident, his father came close to_______
A. be killed B. being killed
C. kill D. killing
选B。come close to意为几乎，差不多，后面接动词的-ing形式，根据题意应用其被动形式。