用括号内所给动词的适当形式填空。 |
1. Betty is often seen ______ (help) the old man with his housework. 2. He prefers ______ (take) part in the public activities rather than stay at home alone. 3. They ______ (agree) with each other, so they argued for a long time. 4. Animals are our friends, so ______ (protect) them is our duty. 5. You have ______ (award) a scholarship to study violin at our school of music. |