14. When did you use the car?
<How long is it since + QKD → When + QKD>
15. How about meeting inside the center, at the cafe corner?
<Let's + V = Why not + V = What about/ How about + V-ing>
16. It took me lots of time to do that work.
<S + spend + time + V-ing = It take sb + time to-V>
17. He has bought this car for 10 years.
18. The father said to us he had to go then.
<must → had to; now → then>
19. She asked me why I came there late.
<HTD → QKD; here → there>
20. He asked the girl if she could play the piano.
<can → could>
21. Hoa asked Maryam if he liked pop music.
<HTD → QKD>
22. The man asked the boy where he lived.
<HTD → QKD>
23. The Internet has been used all over the world.
<câu bị động thì HTHT: S + have/ has + Ved/ P2 + O → O + have/ has been + Ved/ P2 + (by)>
