题目内容
When first ______ to the market, these new products in their company enjoyed a great success.
| A．Introducing | B．introduced | C．to introduce | D．being introduced |
B
解析试题分析：过去分词done表示与句中主语为逻辑上的动宾关系，表完成，没有一定的时间性。本题中，these new products与introduce之间是动宾关系，故应选B。本句含义，当他们公司的这些新产品第一次被介绍到市场上时，它们就享有很大的成功。
考点：非谓语动词
阅读快车系列答案In this victory speech ________ before a huge crowd of his supporters, Obama declared that “Change has come to America”.
| A．delivered | B．to be delivered | C．having delivered | D．delivering |
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| A．moved | B．to move | C．having moved | D．moving |
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| A．cry | B．crying | C．to cry | D．cried |
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| A．living; to live | B．living; live | C．to live; living | D．to live; live |
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| A．having told | B．telling | C．told | D．to tell |
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| A．run | B．running | C．to run | D．ran |
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| A．cover | B．to cover | C．covering | D．covered |
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---- I don’t know. I was too busy to attend it.
| A．held | B．to hold | C．being held | D．to be held |