题目内容
10.They are interested in science.(改为一般疑问句)Aretheyinterested in science?
分析 他们对科学感兴趣.
他们对科学感兴趣吗?
解答 答案:Are they.句中含有be动词are,改为一般疑问句的时候,将are提到句首,故答案是Are they.
点评 含有系动词、情态动词和助动词的陈述句改为一般疑问句一般是把他们提前即可.没有这些词语的需要找助动词来帮忙. 如含有实义动词的一般过去时和一般现在时,就需要借助于助动词:do/does/did.
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