useful robot! It can help with the housework like a human.A. How B. What an C. How a D. What a D [解析]句意:多么有用的一个机器人啊!它能像人类一样帮助做家务.修饰单数名词robot.故用what+不定冠词.因为useful是辅音音素开头.故用不定冠词a.故选D. 题目和参考答案——青夏教育精英家教网—

题目内容

________ useful robot! It can help with the housework like a human.

A. How B. What an C. How a D. What a

D 【解析】句意：多么有用的一个机器人啊！它能像人类一样帮助做家务。修饰单数名词robot，故用what+不定冠词，因为useful是辅音音素开头，故用不定冠词a。故选D。

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She asked the teacher ______.

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