Jack asked his teacher how he could piay the violin well（改为简单句）
问题描述：
Jack asked his teacher how he could piay the violin well（改为简单句）
Jack asked his teacher （ ） （ ） （ ） （ ） （ ） （ ）
答
Jack asked his teacher （ how ） （ to） （play ） （the ） （violin ） （ well ）
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