Write the correct form of the verb in parentheses. 

1. She doesn't mind __________ a walk in the mountains. (take)

2. __________ down alll day is not good for you. (sit)

3. They always talk about ____________ in the morning. (run)

4. He quit ___________ last year. (smoke)

5. ___________ time with family and friends is beneficial to our health. (spend)