Grammar: Present perfect & Gerund + To – infinitive
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Đề cương khoá học
1. Unit 1: Family life
2. Unit 2: Your body and you
3. Unit 3: Music
4. Unit 4: For a better community
5. Unit 5: Inventions
6. Unit 6: Gender equality
7. Unit 7: Cultural diversity
8. Unit 8: New ways to learn
9. Unit 9: Preserving the environment