Upper-Intermediate B2 / Lesson 1

Choose the best expressions.

1. I lost my car keys. Do you see Have you seen Have you been seeing them anywhere?
   
2. Top government officials leave are leaving the country because of the threat of war.
   
3. Although Mary says she is feeling better, I think she still loses is still losing weight.
   
4. Sorry I'm late. Don't worry. We aren't waiting don't wait haven't been waiting long.
   
5. Alan is on vacation. Great! Where does he go has he gone has he been going ?
   
6. My sister is a model. She has been appearing has appeared in several magazines.
   
7. John has collected is collecting collects coins for a hobby.
   
8. Where have you been? Have you played Do you play Have you been playing golf?
   
9. The travel agency is currently selling currently sells has been currently selling airline tickets to Spain for half price.
   
10. My father is locking has locked locks all the doors and windows before we go to bed.