题目内容
My baseballs are ________ the floor.
[ ]
A.in
B.on
C.under
D.at
答案:B
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Here my baseballs.
| A.are | B.is | C.be | D.am |
题目内容
My baseballs are ________ the floor.
A.in
B.on
C.under
D.at
Here my baseballs.
| A.are | B.is | C.be | D.am |