问题
选择题
We have bags ________ red and black ________ 10 dollars each.[ ]
A. at; in
B. in; for
C. in; on
D. on; for
答案
答案：B
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We have bags ________ red and black ________ 10 dollars each.[ ]
A. at; in
B. in; for
C. in; on
D. on; for
答案：B