题目内容
根据下面句子所给的汉语注释.写出句子空缺处单词的正确形式每空限填一词)。
The teacher has explained the new word ________(两次), but I still don't understand.
答案:twice
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题目内容
根据下面句子所给的汉语注释.写出句子空缺处单词的正确形式每空限填一词)。
The teacher has explained the new word ________(两次), but I still don't understand.