题目内容：

听下面一段独白，回答以下小题。

1.What kind of area do Bill and Sally live in?

A.A hot area. B.A high area. C.A dry area.

2.What do Bill and Sally do?

A.They are gardeners. B.They are designers. C.They are builders.

3.What is used to protect the delicate plants now?

A.Trees. B.Glass houses. C.Fences.

4.How does the speaker describe Bill and Sally's work?

A.Successful. B.unsatisfactory. C.Impossible.