1．The role will be the biggest __challenge__ (挑战) of his acting career.
2．Citizens have demanded a full __enquiry__ (询问)into the government’s handling of the accident.
3．He’s hoping for a __career__ (事业) in the police force.
4．These seats are __reserved__ (保留) for the elderly and women with babies.
5．The new building is under __construction__ (建设)and it will be completed next month.
6．The old man is respected by the people because he has __contributed__ (贡献)a great deal to the country.
