-“You haven’t been to the Niagara Falls?”
-“( ), I haven’t.”
A.正确答案BOf course not
B.No
C.Yes
D.Certainly
-“You haven’t been to the Niagara Falls?”
-“( ), I haven’t.”
-“You haven’t been to the Niagara Falls?”
-“( ), I haven’t.”
A.正确答案BOf course not
B.No
C.Yes
D.Certainly