Upper-Intermediate B2 / Lesson 1

Choose the best expressions.

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