I slept a little during lunch break because I was so tired. ✬

I feel indebted to you for your help during my illness. ✬

I did nothing during the holidays. ✬

We had to do without oil during the war. ✬

Did you go anywhere during the summer vacation? ✬

I'm just going to rest during the summer vacation. ✬

I'm looking forward to your visit during summer vacation. ✬

We live in the country during the summer. ✬

Tom hurt his left knee during practice, so John had to play the game in his place. ✬

Tom was given detention for talking during class. ✬