Upper-Intermediate B2 / Lesson 1

Choose the best expressions.

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