题目内容
【题目】They are playing ________ in the playground. （ ）
A. the basketball
B. a basketball
C. basketball
D. basketballs
【答案】C
【解析】
句意：他们正在操场打篮球。固定短语，play+球类运动名词，play basketball，打篮球，故答案为C。
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题目内容
【题目】They are playing ________ in the playground. （ ）
A. the basketball
B. a basketball
C. basketball
D. basketballs
【答案】C
【解析】
句意：他们正在操场打篮球。固定短语，play+球类运动名词，play basketball，打篮球，故答案为C。