题目
A. Oh, I'm really very sorry.
B. Thank you.
C. Not at all.
D. Of course, I know.
第6题
A.study
B.have studied
C.am studying
D.studied
第8题
You seldom have to do the cooking,______?
A. have you
B. haven't you
C. do you
D. don't you
第9题
“You haven’t been to the Niagara Falls?”
“______, I haven’t.”
A. Of course not
B. B. No
C. Yes
D. Certainly
第10题
I haven't seen you at the gym __________ ages.
A.in
B.of
C.at
D.on
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