英语at onceNobody can do two things well -----A.at onceB.at on
英语at once
Nobody can do two things well -----A.at onceB.at one time答案是A 但是词典中有下列句子Don't talk at one time ,please talk one by one.也翻译为同时 请解释为何不选B
Nobody can do two things well -----A.at onceB.at one time答案是A 但是词典中有下列句子Don't talk at one time ,please talk one by one.也翻译为同时 请解释为何不选B
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