1. In summer, the sky is usually b________ and blue, so I like to take pictures with my friends.

2. Some people don’t like winter because they have to put on their s________ and mittens before leaving home.

3. His father likes skiing on the snow, and he a________ likes skating on the ice.

4. Mr. Zhang t________ us Chinese this term.  We all like him.

5. We need to do some a________ every day,  and I usually run in the morning.