用am, is, are 填空。
1. —What ____ your name?
—My name ____ Dave.
2. —____ you Lingling?
—Yes, I ____.
3. —What ____ your first name?
—My first name ____ Gina.
4. —How old _____ you?
—I ____ eleven years old.
5. —What ____ Jim's telephone number?
—His telephone number ____ 159-1548.