1. A number of --- many/ a lot of
2. A great deal of ---a lot of
3. A great many --- al lot of
4. A great variety of ----- many kinds of
5. A variety of --- many kind of
6. Abundant---sufficient---ample---enough
7. A small sum of ---little money
8. Adequate --- enough
9. A majority of --- most of
10. approximately – almost
11. Above all --- the most important thing
12. accelerate --- increase
13. Accuse sb of doin ---- charge sb with doin
14. Acquire---gain/ obtain
15. Acquaintance ---friend /company
16. …are highly condemned ---- people criticize．． Badly
17. advocate---call for
18. adversity--- hardship
19. afford to--- can pay for
20. attribute to --- because of
21. Assailed by --- troubled by
22. Anticipate---foresee/ predict/foretell
23. Appeal to sb ---fascinate sb/ attract sb
24. appeal to---call for
25. arise from---originate from
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