看图，补全对话。
【小题1】
—What _________ _________ doing?
—We are _________ _________.
【小题2】
—What is he doing?
—He is doing the _________ _________.
【小题3】
—Are you playing volleyball?
—________, we __________.
【小题4】
—What are they doing?
—They are ________ the _________.
【小题5】
—Are they playing badminton?
—_________, they _________.

The birds are ______ (fly) in line in the sky.

They are _______the insects carefully. （ ）

A．watch

B．watching

C．watches

Now look at this photo. We are ______ (野餐)?

It’s ______ cold（   ）

A．getting

B．get

C．gets