市政府征收了这片土地用于建造公园。
The city ___expropriated this land to build a public park.
市政府正在征收这片土地用于建造公园。
The city is ___expropriating this land to build a public park.
政府征用了这片土地来修建高速公路。
The government ___expropriated this land to build a new highway.