Write A.B.C. or D which best completes the sentences: Mike, please add some salt _________ the vegetables

USE OF ENGLISH: Write A.B.C. or D which best completes the sentences:
(3pts)
1. Mike, please add some salt _________ the vegetables.
A. into          B. in             C. to             D. on
2. We’d like a walk instead _________ riding a bike.
A. of             B. for              C. in           D. at
3. Nam often _________ half an  hour a day playing video games.
A. takes          B. have           C.gives            D. spends
4. She can’t swim well _________ I.
A. Neither can             B. Neither are            C. Neither is           D. Neither does
5. Walking Is a good sport _________ it makes us _________
A. game/ healthy                  B. activity/ healthy                C. activity/ health               D. game/ health
6. Don’t forget _________ off the fans before going out.
A. turning                      B. to turn                C.turned                D. turn
7. Are they scared of _________ the doctors?
A. see                    B. to see                 C. seeing                D. sees
8. How _________ is it from Hue to Da Nang?
A. wide                B. age              C. far             D. long
9. Nobody knows how to _________ the cold.
A. cough             B. cure                 C. sneeze               D. disappear
10. _________ you happy after the trip? - Yes, I was.
A. did                 B. was                 C. were              D. are
11. I need _________ your height again. 
A. to measure                 B. measuring                 C.measure                   D. measured
12. He has an _________ with the doctor.
A. appointment                   B. appointed                   C.appointing                     D. appointments