题目内容
根据句意选出恰当的词语并用其正确形式填空。
try, once a week, at once, think about, as
It's going to rain. I have to go home______
答案:at once
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题目内容
根据句意选出恰当的词语并用其正确形式填空。
try, once a week, at once, think about, as
It's going to rain. I have to go home______