问题描述：
反意疑问句改成间接引语用if或whether
"She has already finished reading the novel,has't she?"Henry asked.
Henry asked ____ reading the novel.
a.whether she had already finished
b.if she had already finished
"She has already finished reading the novel,has't she?"Henry asked.
Henry asked ____ reading the novel.
a.whether she had already finished
b.if she had already finished
问题解答：
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