1. A /ʃ/ # /k/
2. A /s/ # /ʒ/
3. D 2#1
4. C 3#2
5. the last few years - for the last few years
6. to weed - weeding
7. that - those
8. D forward to
be looking forward to Ving
9. B replaced
have sth VPII
10. B obeys
11. A fewer
12. C does she
13. C no point
14. D memorable
15. A height
16. D In spite of + N/Ving
17. A interested
18. D informative
19. C scientists
20. C friendly