根据句意，用所给单词的适当形式填空。 1. What should we do
题型：填空题
问题：
根据句意，用所给单词的适当形式填空。
1. What should we do to help the ______ (home) people after the earthquake?
2. We do lots of outdoor ______ (active) when spring comes.
3. By the time I got outside, the school bus ______ (leave).
4. Tim was seen ______ (get) out of the subway at the station on Centre Street.
5. I've bought a present for my father's ______ (forty) birthday.