1-1b 2a 3b 4a 5a 6b 7a 8a 9a 10c 11c 12a 13b 14b 15b 16c 17c 18c 19a 20b 21c 22b 23c 24a 25a 26b 27c 28b 29a 30a 31a 32b 33a 34c 35a 36a 37c 38b 39c 40b 41a 42b 43a
2-1e 2a 3f 4b 5c 6d
3-1 is, 2 never, 3 had, 4 has, 5 be, 6 being, 7 had, 8 being, 9 has, 10 had
1 complicated, 2 il logically, 3 qualification, 4 interested, 5 realistic, 6 informal, 7 resistible
4-1 to, 2 he, 3 has, 4 been, 5 to, 6 have
5-1d 2b 3g 4h 5a 6e 7f 8c