题目内容
17．（Rose，chat on line）Rose is chatting on line．
分析 萝丝正在网上聊天．
解答 答案：Rose is chatting on line．图片上是一个女士正在上网聊天，结合所给的Rose萝丝，chat on line上网聊天，故造句萝丝正在网上聊天．表示正在进行的动作用现在进行时be+doing，主语Rose，故is，chat的现在分词是chatting，故答案是Rose is chatting on line．
点评 现在进行时表示正在进行的动作或存在的状态．现在进行时表示动作发生的时间是"现在"，动作目前的状态是"正在进行中"．
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