Upper-Intermediate B2 / Lesson 1

Choose the best expressions.

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