题目：
选用is，am，are，填空。
1. —What _______ your name?
—I _______ Daming.
2. This _______ my son, Yangyang.
3. Hello! My name _______ Lucy.
4. —How _______ your mother ?
— She _______ fine, thanks.
5. Jack and Tom _______ my friends.
答案：
1. is, am 2. is 3. is 4. is , is 5. are
