computers cant they can
Computersareveryuseful.Forexample,theycan________sendinge-mail.()A.beusedasB.beusedfo...
Computers are very useful.For example,they can ________ sending e-mail.( )
A. be used as
B. be used for
C. be used to
D. be used by 展开
A. be used as
B. be used for
C. be used to
D. be used by 展开
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答案:B
首先根据语境Computers are very useful并结合选项可知电脑很有用可以被用来发送电子邮件.主语they(computers)是动作use的承受者,确定用被动语态,设空处前面有情态动词can,说明本题考查含有情态动词的被动语态,其构成是:主语+情态动词+be+动词的过去分词.use的过去分词是used,另外注意短语:被用来做某事 be used for doing.故答案为:B
首先根据语境Computers are very useful并结合选项可知电脑很有用可以被用来发送电子邮件.主语they(computers)是动作use的承受者,确定用被动语态,设空处前面有情态动词can,说明本题考查含有情态动词的被动语态,其构成是:主语+情态动词+be+动词的过去分词.use的过去分词是used,另外注意短语:被用来做某事 be used for doing.故答案为:B
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