题目内容
【题目】The zipper in 1893.
A. invent B. invention C. is invented D. was invented
【答案】D
【解析】句意:拉链在1893年被发明。句子应用被动语态,结构是be+过去分词,根据in1893可知是过去时态;故选D
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【题目】The zipper in 1893.
A. invent B. invention C. is invented D. was invented
【答案】D
【解析】句意:拉链在1893年被发明。句子应用被动语态,结构是be+过去分词,根据in1893可知是过去时态;故选D