根据句意和汉语注释，写出单词的正确形式。【小题1】Mr. Green received a new mobile phone on hisfortieth(四十) birthday

根据句意和汉语注释，写出单词的正确形式。
【小题1】Mr. Green received a new mobile phone on his fortieth (四十) birthday.
【小题2】Maybe the overcoat belongs to one of the firemen (消防队员) .
【小题3】CCTV-9 is looking forward to interviewing (采访) the new president of the USA.
【小题4】This tall building was built two centuries (世纪) ago.
【小题5】Many young people are actively (积极地) looking for jobs.

解析：【小题1】考查序数词。指生日时，用序数词。“第四十”是fortieth。故填fortieth。【小题2】考查固定句型。one of+复数名词，“......之一”。故填firemen。【小题3】考查固定句型。look forward to doing sth“期待做某事”。故填interviewing。【小题4】考查名词的复数。century“世纪”，复数形式是去y加ies。故填centuries。【小题5】考查副词。修饰动词短语look for用副词。actively“积极地”。故填actively。

对的，就是这个意思

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