C
series 是單復(fù)數(shù)同形的單詞,a series of ...后動詞用單數(shù)
two/ several series of...后面動詞用復(fù)數(shù)
Recently there ( )been a series of car accidents at the crossing.
Recently there ( )been a series of car accidents at the crossing.
A have Bhad C has Dhaving
A have Bhad C has Dhaving
英語人氣：227 ℃時間：2020-01-31 20:58:23
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