be - built後面接什麼

1、He instructed that a wall should be built around the city.他下令在城的周圍築一道城牆。

2、There is widespread concern that new houses will be built on protected land.人們普遍對在保護區修建新的房屋感到憂慮。

3、More nurseries will be built to fill the need for high-quality child care.將建立更多的託兒所以滿足高質量兒童保育的需要。