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.
试题答案
1. am 2. books 3. bought 4. do 5. found