选择下列各句的相应答语。
(  )（1）Where's Guangzhou?
(  )（2）How long is it?
(  )（3）Are you a teacher?
(  )（4）Where's San Francisco?
(  )（5）How big is it?

选择单词，补全短文。
hot China winter people old east
Shanghai is the biggest city in（1）______．It's in the（2）______ of China. It's got a lot of（3）______．It's an（4）______ city. It's very（5）______ in summer and it's cold in（6）______．