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一道英语选择题Whenfirst-tothemarket,t

2005-08-28 13:06:00z***
When first___ to the market,these products enjoyed great success. A.introducing B.introduced C.introduce D.being introduced一道英语选择题Whenfirst___tothemarket,theseproductsenjoyedgreatsuccess.A.introducingB.i?

最佳回答

  • B.因为这些产品是被介绍到市场,所以用被动。 其实这是个省略句,这句话的全句应该是:When they were first introduced to the market..........问题中把they were省略了。 Ｄ项加上being，表进行时＂正在被介绍＂，用在这里不恰当．
    2005-08-28 13:14:07
  • B
    2005-08-28 13:35:55
  • B 被动语态
    2005-08-28 13:21:19
  • B主语是these products所以用被动语态
    2005-08-28 13:16:24
  • D
    2005-08-28 13:09:28
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