题目内容
9．are，a，they，walk，taking，nowThey are taking a walk now．．
分析 They are taking a walk now．他们现在正在散步．
解答 答案：They are taking a walk now．．
首先结合提示词和标点符合明确所要组合的句子是一个陈述句，组合成的句子的句意是"他们现在正在散步．"，根据Now判断用现在进行时，构成是：主语+am/is/are+动词的现在分词，故答案为：They are taking a walk now．
点评 做连词成句这种类型的题，首先确定句子类型，如：陈述句、疑问句或感叹句等，然后根据所给单词，明确主语、谓语等句子成分，在确定句意的前提下结合语法知识组合句子．
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