单项选择题

---- I do apologize for knocking you down. ----（）

A.No, I’m perfectly all right.
B.You’re all right.
C.Don’t worry about it.
D.Not at all. Thank you

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单项选择题

A.have gradually being exhausted
B.are gradually exhausted
C.has been gradually exhausted
D.are being gradually exhausted

单项选择题

A.Yes, please
B.No, I’m sorry
C.Certainly not
D.All right

单项选择题

A.reflects
B.reflected
C.is reflected
D.is reflecting