题目内容
2. 他想知道妈妈是否已经为他包了水饺。
He_________ ________ his mom has made some dumplings for him.
2. wonders if/whether
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题目内容
2. 他想知道妈妈是否已经为他包了水饺。
He_________ ________ his mom has made some dumplings for him.
2. wonders if/whether