Can we use idioms in ielts speaking?

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Tags

1. #common
2. #however
3. #through
4. #words
5. #really
6. #correctly
7. #speaking
8. #boost
9. #themselves
10. #phrase
11. #meaning
12. #clear
13. #lower
14. #ielts
15. #properly
16. #usage
17. #group
18. #idiom
19. #score