21C to reduce
22D smoke
23A harmful
24C health
25C not everyone
26A
27C
28D
29B
30B
31 B reading
32 B sing
33 She had her car repaired yesterday
34 You've to see the manager tomorrow morning
35 Every time we rang, there was no answer
36 Don't call him by that insulting name
37 "Which one do you want, the blue or the green, Mary?" asked John
38 She thought Rome was even worse than Paris
39 I can meet you so long as you arrive before eleven
