用所给单词的适当形式填空。 |
1. I (be) going to learn folk dances. 2. There are many different (book) in our library. 3. On my birthday, my good friends (buy) me some presents. I was very happy. 4. We often help the old people (do) some housework on weekends. 5. The policeman (find) the backpack an hour ago. |