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 2. My mother is –health issues. keen on keen to 3. He can’t drive yet, but he’s –learn. keen on keen to 4. My brother is –sports programs. keen on keen to 5. Firms are now– hold on to the people they recruit. keen on keen to 6. I’m really –Cindy. keen on keen to 7. I’m very –go swimming today. keen on keen to 8. All my sisters were – my girlfriend. keen on keen to 9. I’m quite – your idea. keen on keen to 10. She’s – listening to others. keen on keen to 11. They were very –start work as soon as possible. keen on keen to 12. I’m really –that dress. keen on keen to 13. He is –looking at her smile. keen on keen to 14. To be quite truthful with you, I’m not very –this color. keen on keen to Time's up