答案:B 解释:根据时间状语the early 1990s 可确定用一般过去时. 查看更多

 

题目列表(包括答案和解析)

根从所给的四个选项中选择最佳答案

With the development of modern industry, many kinds of wild animals and plants have already ______.   

[  ]

Adied of    Bdied from   Cdied for   Ddied out

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根从所给的四个选项中选择最佳答案

His father suddenly died, ______made it impossible for him to go abroad

[  ]

Athat   Bwhich   Cas   Dthat

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根从所给的四个选项中选择最佳答案

He was standing by a gas stove and his nightdress ______ fire

[  ]

Atook   Bstarted    Cset    Dcaught

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根从所给的四个选项中选择最佳答案

Things such as paper, clothes are easy______.   

[  ]

Ato catch fire   Bcatching fire

Ccaught fire    Dcatch fire

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根从所给的四个选项中选择最佳答案

______the cry for help, people immediately rushed out of the rooms.   

[  ]

ATo hear   BHaving heard      CHearing      DThey hearing

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