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。
