Part 3:
1. were invented
2. to finish
3. famous
4. are taking
5. painting
6. written
7. relatives
8. haven't played
Part 4:
1. best --> better
2. doing --> to do
3. very --> so
4. will come --> comes
Part 5:
1. Hoa said she was talking the two-month French course in this language center.
2. My father sometimes flies to Kualar Lumpur.
3. Since he was lazy, he didn't pass his exam.
4. The laptop which my mother gave me on my birthday is very modern.
