用所给单词的适当形式填空。 |
1. Tom______(swim) for two hours in the river. 2. When______you______(buy) the new computer? 3. When I entered the classroom, I found some students______(watch) TV. 4. There are some children who______(play) football on the playground. 5. —How long______ you______ (do) that? —For about five years. |