—I sometimes play ping－pong.  

—不，这是我们的。

—Is that classroom ?

—No,it's .

Miss Smith: Look at the blackboard, children.What is the weather like in spring ,Tom?

Tom: It isMiss Smith.

Miss Smith: What is the weather like in summer,Carl?

Carl: It isMiss Smith.

Miss Smith: What is the weather like in fall,Jack?

Jack: It is often.

Miss Smith:What is like in    ,Billy?

Billy:It is often cold.