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                            His parents _______ the US for ten years.A、have beenB、have gone toC、have been toD、have  
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                            For ten years the problem about the water has not been solved, we came to think that it ha 
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                            Why is the woman looking for some books about English?A.She is learning English literature 
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                            After the Restoration, ______ruled England for about 25 years.A.Charles IIB.Charles Cromwe 
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                             They have learned about () in recent years.A. several hundreds English wordsB. hundred 
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                            The machine needs a complete ______ since it has been in use for over ten years.A.maintain 
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                            阅读理解。Many Chinese students who have learnt English for more than ten years are still unable to s