building
                    - The government of Yancheng is building_________cheap and good houses for the people.
 - The government of Chongqing is building ________ cheap and good houses for the people.
 - The building will ________ 2 months later.
 - Have you heard that a building was blown up last weekend with a number of people in it?—- Yes, _____ news came as _____ shock to me.