题目内容
【题目】Your pen is on the floor. Please _________. ( )
A.pick up itB.pick them upC.pick up themD.pick it up
【答案】D
【解析】
略
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题目内容
【题目】Your pen is on the floor. Please _________. ( )
A.pick up itB.pick them upC.pick up themD.pick it up
【答案】D
【解析】
略