关于英语be动词

关于英语be动词
1.Where___________(be)your friend's room?
2.Tom and I____________(be)good friends.
3.What___________(be)the boys'names?
4.That's Lucy.Gusee.Who__________(be)I?
5.His phone number___________(be)563-3245.
还有一道：Is your phone number 314-6543.(做否定回答）
_______,_______ __________.