Tham Gia Group Dành Cho Lớp 9 - Ôn Thi Vào Lớp 10 Miễn Phí
15. - A:...Finally, you take the square root of that result and devide it by 2a. Does that make more sense?
- B:
Thanks for explaining it so clearly
A. I'm not sure I follow
B. Oh, I think I get it now
C. Sorry I don't get it
16. I like reading the story
A. whose
17. Miss Hoa picked
B. ...