Chọn đáp án đúng để hoàn thành câu: 1) Don't set off fireworks too closely to your house, ... ? 2) Trains stop here in order to ... passengers only. 3) In recent years, more and more people ... for things with credit cards

1. Don't set off fireworks too closely to your house, _______?
A. do you B. don’t you C. will you D. won’t you
2. Trains stop here in order to _______ passengers only. 
A. pick up B. get off C. pull up D. pull in
3. In recent years, more and more people _______ for things with credit cards.
A. pay B. are paid C. are paying D. have been paying
4. He was the first person _______ the fire.
A. discover B. to discover C. discovering D. discovered
5. “Who was the man with you yesterday?” - “He was _______.”
A. the next door man B. the man next to the door
C. the man next by the door D. the man next door