Wehavelearned________10Englishsong

发布时间:2020-07-26 10:42:02

We have learned ________ 10 English songs this term.A.at allB.at onceC.at timesD.at least

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D解析at all意为“完全,全然”,at once意为“立刻,马上”,at times意为“有时”,at least意为“至少”.
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