问题
选择题
—Do you think computers are more expensive than they were five years ago?
—No, they are _______. [ ]
A. cheap
B. cheaper
C. cheapest 
D. the cheapest
答案
答案：B
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—Do you think computers are more expensive than they were five years ago?
—No, they are _______. [ ]
A. cheap
B. cheaper
C. cheapest
D. the cheapest
答案：B