Would you mind checking the alternative that I have selected?
1. Did you notice anything strange about/at/for his appearance?
2. I felt so ridiculous. They were all laughing at me!’ Are/Did/Were they? How awful!
3. If you realize/recognize/remind anyone in the picture, please tell us.
4. I still / usually/used to take my dog for a walk every evening.
5. I was looking out of the window because/when/while someone called my name.