問題詳情：
-Could you tell me ？
-Every four years．The 24th will take place in China in 2022．
A．how long the Winter Olympic Games last
B．how long do the Winter Olympic Games last
C．how often are the Winter Olympic Games held
D．how often the Winter Olympic Games are held
【回答】
D
知識點：賓語從句
題型：選擇題
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