Các ac giúp em ạ, em cám ơn
15. Max (run)___ really hard recently for the marathon competition he is going to join.
16. After the accident, she (grow)____into a totally different person.
17. Having entered university, Jack (find)___out a lot of new things
18. Since the day I (walk)____ into my university,i (know) ___ a lot of new things. been playing games all day?
19. My teacher (complain) ___ about my class for nearly two hours.
20. Why are you looking so tired? ____ you (play) ____ games all day?