I-
1) I study about features of the Earth.
2) My favourite subject is Literature.
3) I'm reading love stories.
4) I'm eating fast-foods.
5) I watch TV after school.
II-
1) go 2) is raining 4) is running 5) swim 9) is cooking 10) will you/do
10) will be 11) will be/ won't go 12) drinking 13) Is/ doing
III-
14) Hoa is the most intelligent in my class.
15) Hoa is the same age as Lan.
16) The red car is more expensive than the black car.
17) How much is your bike?
18) What time were you born?