A．They are looking for an apartment to live in.
B．They are discussing living places and children’s education.
C．They are complaining about their children.
D．They are planning for the next weekend.

A．Eliminating the original vegetation from the building site.
B．Marking the houses in an area similar to one another.
C．Deciding where a house will be built.
D．Surrounding a building with wild flowers and plants.