1.My mother likes flowers because they are very beautiful (so)
=>..........flowers are very beautiful, so my mother likes them..............................................
2.My friend Mai studies better than me
=>I study ..worse than my friend mai...............................................................................
3.Mi started drinking coffee when she was 20 years old
=>Mi has....drunk coffee since she was 20 years old..................................................................
4.My mother spends more time with family than my father
=>My father.......spends less time with family than my mother...................................................................