问题
选择题
The baseball is _____ the floor _____ the desk.[ ]
A. under; on
B. under; under
C. on; on
D. on; under
答案
答案：B
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The baseball is _____ the floor _____ the desk.[ ]
A. under; on
B. under; under
C. on; on
D. on; under
答案：B