Bài tập 1: Chọn keen on hoặc keen to cho những câu sau đây: Mai Duy Anh - June 2, 2022 0 Bài tập 1: Chọn keen on hoặc keen to cho những câu sau đây:1. I am really –listening to classical music. keen on keen to None 2. My mother is –health issues. keen on keen to None 3. He can’t drive yet, but he’s –learn. keen on keen to None 4. My brother is –sports programs. keen on keen to None 5. Firms are now– hold on to the people they recruit. keen on keen to None 6. I’m really –Cindy. keen on keen to None 7. I’m very –go swimming today. keen on keen to None 8. All my sisters were – my girlfriend. keen on keen to None 9. I’m quite – your idea. keen on keen to None 10. She’s – listening to others. keen on keen to None 11. They were very –start work as soon as possible. keen on keen to None 12. I’m really –that dress. keen on keen to None 13. He is –looking at her smile. keen on keen to None 14. To be quite truthful with you, I’m not very –this color. keen on keen to None Time's up