Upper-Intermediate B2 / Lesson 1

Choose the best expressions.

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