题目内容：
第50题入填______
A．off B．on
C．up
参考答案：
答案解析：
单选题：第50题入填______
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- 题目类型：单选题
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B．on
C．up
B．on
C．up
第48题入填______
第48题入填______A．from B．farther C．away
Whose photo is this?
Whose photo is this? A．It' s a photo of Mary' s father and mother. B．It' s a pho
Someone like mosquitoes.
Someone like mosquitoes. A．Right B．Wrong C．Doesn' t Say
第52题入填______
第52题入填______A．passengers B．drivers C．students
How many shirts does the man have?
How many shirts does the man have? A．five. B．Six. C．Seven.