【题目】Lu Fang is seven ________ old. ( )
A. year B. year's C. years
【答案】C
【解析】
略
上一篇 口算. 58-50=_ 7+31=_ 43-7=_6+58=_ 65-4=_ ...
下一篇 —_ your ruler under the book? ( )—No...
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