Helen does her homework after supper.（改为否定句）
问题描述：
Helen does her homework after supper.（改为否定句）
答
Helen doesn't do her homework after supper.
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答
Helen doesn't do her homework after supper.
答
Helen doesn't do her homework after supper
请及时采纳,不懂继续问( 天天在线 ）
答
Helen doesn't do her homework after supper。