问题
选择题
—Do you like sweet potatoes?
—No, ________. Sweet potatoes are bad for my teeth. [ ]
A. I am not
B. I don't know
C. I don't
答案
答案:C
—Do you like sweet potatoes?
—No, ________. Sweet potatoes are bad for my teeth. [ ]
A. I am not
B. I don't know
C. I don't
答案:C