— What’s the World Earth Day ?
— It tells people to protect the environment.

A．of

B．in

C．for

D．on

对话连线
(1) In winter, it’s cold and sonwy. a. Trees have new leaves
(2)In spring, the weather is warm. b. Trees have green leaves.
(3) It’s hot in summer. c. Many trees don’t have any leaves
(4) What colour are the leaves in autumn?   d. I like to swim in summer.
(5) What do you like to do in summer? e. Yellow, orange and red..

——Where are you from? —— .

A．The USA

B．OK

C．Welcome.

How do you spend Christmas? (   )

A．We go to the fair.

B．We get some Christmas cards.

—What are you doing? (    )
—_______________.

A．I am eating.

B．I eat sandwiches.

C．I’m not.