题目内容
-How many ping-pong balls do you have?
-Thirty. ___________ are yellow, and eighteen are white.
A.Eleven B.Twelve C.Thirteen D.Twenty
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题目内容
-How many ping-pong balls do you have?
-Thirty. ___________ are yellow, and eighteen are white.
A.Eleven B.Twelve C.Thirteen D.Twenty