Ⅰ. 单项选择
1. There is _______ “s” in the word “six” and _______ “s” is the first letter of the word.
A. a; the B. a; an C. an; the D. the; the
2. Your MP4 is quite cheap. Where did you buy _______? I want to buy _______, too.
A. one; one B. it; it C. it; one D. one; it
3. —How far is the bank from your house?
—About _______ drive.
A. twenty minutes B. twenty minute’s
C. twenty minutes’ D. twenty minutes’s