When water.....,it.....from a liquid to a gas.
A.boil,changes.   B.boils,change.   C.boils,changes 
=> B
My father .....his hobby with me.He teaches me how to grow and take care of the flowers in our garden on Sundays.
A.share.      B.shares.   C.sharing
=> A
.......your mother......doing yoga?
A.Do,enjoy.    B.does,enjoys.      C.does,enjoy
=> C
 

C
B
C   
~~ học tốt ~~