Part B 第四课时 一、选择恰当的单词填空
am is are 1．How ________ you
2．What ________ your name
3．This ________ my brother, Sam
4．I ________ six years old
5．It ________ a dog
are is is am is 二、单项选择
—How old are you
—________ A．One book
B．This is one book
C．I'm five years old
C ( )2
—This is my brother, Mike
—________ A．Hi, Mike
B．Good
C．Cool
—What's________ name
—I'm Jin Bao
A．my B．your C．I A B 三、帮小牛给下列句子重新排序，组成一段完整的对话
( )John, this is my brother, Sam
( )Thank you
( )Hi, Sam
Happy birthday
( )I'm six years old
( )How old are you
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