题目内容
12、The prices ____________ up all the time and no one knows when it will become stable.
A．had gone B．have been going C．have gone D．had been going
试题答案
12、B
相关题目
The prices _________ up all the time and no one knows when it will become stable.
[ ]
A. had gone
B. have been going
C. have gone
D. had been going
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B. have been going
C. have gone
D. had been going