根据句意,用括号中所给词的适当形式填空。
1.It’s raining outside. You’d better not go out.(heavy)
2.My sister often goes home times a month .(three)
3.He would like a building, but he can’t afford it. (have)
4.Have you ever spoken to a before ? (foreign)
5.Parents are our first teachers, they teach lessons of life .(we)