选用 am, is, are, was或 were填空。
1. I five then. Now I _ eleven.
2. Her hair short then. But now her hair long.
3. —You so cute then.
—Yes, but I very naughty, too.
4. They ______ young then. They _ very old now.
5. We _ in Grade Two then. Now we in Grade Four.
6. The dog _ small two years ago. It big now.
