问题
选择题
The green shorts _____ 30 yuan.[ ]
A. is on sale
B. are on sale
C. are on sale to
D. are on sale for
答案
答案：D
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The green shorts _____ 30 yuan.[ ]
A. is on sale
B. are on sale
C. are on sale to
D. are on sale for
答案：D