=>
1. I want to be a doctor, so I must study hard now.
-> so : vì vậy, vậy nên
2. Tuan finds playing table tennis interesting because he can play with his best friends.
-> find sth/Ving sth adj
3. Why don't you take up jogging? It helps you keep fit.
-> take up : bắt đầu (sở thích, thói quen)
4. Why don't we go to school together?
How about going to school together?
What about going to school together?
-> Why don't we V = How about/What about Ving = Let's V