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