托福语法题The upper part in a harmonic arrangement ____ by mixed voices is usually written for a soprano voice.A.to be sungB.as singingC.to be singingD.was sung这道题为什么选A?没懂,我选的B,为什么不对?考的什么语法点?
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![托福语法题The upper part in a harmonic arrangement ____ by mixed voices is usually written for a soprano voice.A.to be sungB.as singingC.to be singingD.was sung这道题为什么选A?没懂,我选的B,为什么不对?考的什么语法点?](/uploads/image/z/14998834-10-4.jpg?t=%E6%89%98%E7%A6%8F%E8%AF%AD%E6%B3%95%E9%A2%98The+upper+part+in+a+harmonic+arrangement+____+by+mixed+voices+is+usually+written+for+a+soprano+voice.A.to+be+sungB.as+singingC.to+be+singingD.was+sung%E8%BF%99%E9%81%93%E9%A2%98%E4%B8%BA%E4%BB%80%E4%B9%88%E9%80%89A%3F%E6%B2%A1%E6%87%82%2C%E6%88%91%E9%80%89%E7%9A%84B%2C%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B8%8D%E5%AF%B9%3F%E8%80%83%E7%9A%84%E4%BB%80%E4%B9%88%E8%AF%AD%E6%B3%95%E7%82%B9%3F)
托福语法题The upper part in a harmonic arrangement ____ by mixed voices is usually written for a soprano voice.A.to be sungB.as singingC.to be singingD.was sung这道题为什么选A?没懂,我选的B,为什么不对?考的什么语法点?
托福语法题
The upper part in a harmonic arrangement ____ by mixed voices is usually written for a soprano voice.
A.to be sung
B.as singing
C.to be singing
D.was sung
这道题为什么选A?没懂,我选的B,为什么不对?考的什么语法点?
托福语法题The upper part in a harmonic arrangement ____ by mixed voices is usually written for a soprano voice.A.to be sungB.as singingC.to be singingD.was sung这道题为什么选A?没懂,我选的B,为什么不对?考的什么语法点?
考的非谓语的知识点
从提示词by 上看出,arrangement 和sing 之间是被动关系,所以排除bc 那是表主动的
另外,是表将来的,所以是to be done
也就是说,to be sung 这个不定式的被动做定语后置,修饰arrangement
而D 是直接被动语态,那个was 和整个句子的谓语动词is 矛盾,不选
考主动和被动呀,歌是被唱,要用被动。
范德萨发二手的法尔是放大沙发额外的法尔士大夫