题目内容
9.The mobile phone in 1973.( )| A. | invents | B. | is invented | C. | invented | D. | was invented |
分析 手机是1973发明的.
解答 答案:D.考查被动语态.句意"手机是1973发明的.".A第三人称单数.B一般现在时态的被动语态.C过去时.D一般过去时态的被动语态.结合语境1973年,可知应该是一般过去时态,因此A,B不正确.主语mobile phone手机,是动词invent"发明"动作的承受者,因此用一般过去时态的被动语态,结构是was/were+动词的过去分词,C不正确.答案是D.
点评 被动语态表示主语是动作的承受者,被动语态由"be动词+及物动词的过去分词"构成,be动词的单复数要与主语的单复数保持一致,还要注意时态及过去分词的变法.
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