Aknifeattackhappenedatthesubwayandatleast3people

問題詳情：

A knife attack happened at the subway and at least 3 people ________.

A. killed    B. are killed    C. were killed    D. were killing

【回答】

C

【解析】句意：在地鐵裡發生了一起用*襲擊事件，至少三人被捅死。and是並列連詞，前後動詞時態一致，根據happened可知用過去式，結合句意可知用被動語態。被動語態構成：be+動詞的過去分詞。故選C。

知識點：動詞語態

題型：選擇題