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The boy asked his mother ''Does water freeze at 0℃?''(合并句子)
The boy asked his mother _______water ________at 0℃?
一般来说,真理用一般现在时,可是这个男孩问她的母亲,代表不确定,应该用过去式,
人气:126 ℃ 时间:2020-06-25 11:44:57
解答
whether/if,freezes
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