Upper-Intermediate B2 / Lesson 1

Choose the best expressions.

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