用括号里的词的正确形式填空。
1. I ____________(do) some washing at 7:00 yesterday.
2. While my parents ____________ (watch)TV, I ____________(do) my homework.
3. The truck ____________(travel) last when a bag of rice ____________ (fall) off.
4. When I was a small boy, I ____________ (get) to know the earth ____________ (move) around the
sun.
5. Let's run and see who ____________(get) to the finishing line.
