网址：http://m.1010jiajiao.com/timu_id_806255[举报]
How ______you?
A．am B．is C．are D．be
Her name ____ Lucy.
Mary and I _________ friends.
1How __________your brother?
A．arc B．is C．be D．am
Here my baseballs.
A．are
B．is
C．be
D．am