III.1 four

2 math

3 yes

4 he studies about the graphs equations and calculator

IV.1 tom isn't as hard-working as peter is

2 I am interested in traveling around the world

3 hoa is older than nien

4 what about going somewhere for a drink?

5 she has played the piano for 5 years

V.1 he used to live on the farm when he was young

2 bao sometimes goes to school late

3 lan didn't come to the party last night

4 khai likes reading his books in his free time

5 she isn't old enough to take care of herself

III.1 four

2 math
3 yes
4 he studies the graphs equations and calculator
IV.1 tom isn't as hard-working as peter is
2 I am interested in traveling around the world
3 Hoa is older than Nien
4 what about going somewhere for a drink?
5 she has played the piano for 5 years
V.1 he used to live on the farm when he was young
2 bao sometimes goes to school late
3 Lan didn't come to the party last night
4 Khai likes reading his books in his free time

5 she isn't old enough to take care of herself

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