问题
选择题
The birds ___________ the tree are black, and the oranges ___________ the tree are orange.[ ]
A. in; in
B. in; on
C. on; on
答案
答案：B
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The birds ___________ the tree are black, and the oranges ___________ the tree are orange.[ ]
A. in; in
B. in; on
C. on; on
答案：B