Chọn từ khác loại và giải thích tại sao:
1. A. musician B. scientist C. competition D. librarian
2. A. pollution B. companion C. question D. remember
3. A. commemorate B. preserve C. worship D. beautiful
4. A. performance B. memorable C. celebration D. explanation
5. A. tradition B. trumpet C. saxophone D. drum
6. A. chess B. game C. card D. perform
7. A. engineer B. explain C. fishermen D. pilot
8. A. recommend B. satisfied C. annoyed D. interested
9. A. ambulance B. helicopter C. provide D. tram
10. A. elephant B. giraffe C. crocodile D. ceremony
1. A. musician B. scientist C. competition D. librarian
2. A. pollution B. companion C. question D. remember
3. A. commemorate B. preserve C. worship D. beautiful
4. A. performance B. memorable C. celebration D. explanation
5. A. tradition B. trumpet C. saxophone D. drum
6. A. chess B. game C. card D. perform
7. A. engineer B. explain C. fishermen D. pilot
8. A. recommend B. satisfied C. annoyed D. interested
9. A. ambulance B. helicopter C. provide D. tram
10. A. elephant B. giraffe C. crocodile D. ceremony