高中英语单选,请给出理由.When first _____ to the market,these products enjoyed great success.A.introducing B.introducedC.introduce D.being introduced我选的是B,因为这里表被动,产品被推广到市场上.如果选D的话,那就是
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![高中英语单选,请给出理由.When first _____ to the market,these products enjoyed great success.A.introducing B.introducedC.introduce D.being introduced我选的是B,因为这里表被动,产品被推广到市场上.如果选D的话,那就是](/uploads/image/z/9248342-14-2.jpg?t=%E9%AB%98%E4%B8%AD%E8%8B%B1%E8%AF%AD%E5%8D%95%E9%80%89%2C%E8%AF%B7%E7%BB%99%E5%87%BA%E7%90%86%E7%94%B1.When+first+_____+to+the+market%2Cthese+products+enjoyed+great+success.A.introducing+B.introducedC.introduce+D.being+introduced%E6%88%91%E9%80%89%E7%9A%84%E6%98%AFB%2C%E5%9B%A0%E4%B8%BA%E8%BF%99%E9%87%8C%E8%A1%A8%E8%A2%AB%E5%8A%A8%2C%E4%BA%A7%E5%93%81%E8%A2%AB%E6%8E%A8%E5%B9%BF%E5%88%B0%E5%B8%82%E5%9C%BA%E4%B8%8A.%E5%A6%82%E6%9E%9C%E9%80%89D%E7%9A%84%E8%AF%9D%2C%E9%82%A3%E5%B0%B1%E6%98%AF)
高中英语单选,请给出理由.When first _____ to the market,these products enjoyed great success.A.introducing B.introducedC.introduce D.being introduced我选的是B,因为这里表被动,产品被推广到市场上.如果选D的话,那就是
高中英语单选,请给出理由.
When first _____ to the market,these products enjoyed great success.
A.introducing B.introduced
C.introduce D.being introduced
我选的是B,因为这里表被动,产品被推广到市场上.
如果选D的话,那就是一个ing分词作伴随状语了.这样引导这个ing分词短语的When不就是多余的吗?一般When是用来引导句子吧?
高中英语单选,请给出理由.When first _____ to the market,these products enjoyed great success.A.introducing B.introducedC.introduce D.being introduced我选的是B,因为这里表被动,产品被推广到市场上.如果选D的话,那就是
B.应该是When these products was first introduced 因为主句的主语也是these products
主句的主语和从句相同时,从句的主语可以省略,如果从句的主语后面跟着be动词,则BE动词也省略
这里的firs=first time是第一次的意思,而不是第一个