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 (四十) birthday.
小题2:Maybe the overcoat belongs to one of the (消防队员) .
小题3:CCTV-9 is looking forward to (采访) the new president of the USA.
小题4:This tall building was built two (世纪) ago.
小题5:Many young people are (积极地) looking for jobs.
小题1:fortieth
小题2:firemen
小题3:interviewing
小题4:centuries
小题5:actively
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。