Choose the correct answer A, B, C or D

Question 12: Before moving to Ha Noi, my parents in Hai Phong.
A. have lived
В. lived
C. have been living
D. live
Question 13. My friend has decided to use
electricity by using more solar
energy instead.
A. more
B. less
C. much
D. fewer
Question 14. A: This weekend I'm going to the SOS village to teach the children there.
                     В: I ___you.
A. join
B. am joining
C. will join
D. have joined
Question15. You'll become healthier if you consume
soft drinks.
A. more
B. less
C. much
D. fewer