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5. Rock music is more exciting than classical music.
→ Classical music isn‟t _________________________________________________________
6. This is the first time I‟ve ever painted a mural over graffiti.
→ I have never ________________________________________________________________
7. Mr Binh started recycling rubbish two years ago.
→ Mr Binh has ________________________________________________________________
8. David failed the exam because of his laziness.
→ Because David ______________________________________________________________
9. We have donated books and clothes for ten years.
→ We began __________________________________________________________________