17. keep out 18. round up
15. feed sb on sth 16. give birth to
13. set foot in/on 14. separate from
11. resemble sb in sth 12. be sure to / be sure of
9. differ in sth from A and B 10. take away from
7. transform …into 8. benefit from
5. as a consequence 6. have a strong influence on
3. stand for 4. claim…for
1. be made up of 2. be surrounded by