I. Choose the word whose main stress is placed differently from the others:
1.A 2.C 3.D 4.A 5.A
II. Choose the word or phrase the best completes each unfinished sentences below or substitutes for the underlined word or phrase:
6.A 11. A
7.C 12.B
8.C 13.A
9.B 14.B
10.B 15. A
III. Choose the words or phrases that are not correct in Standard English:
16. C. so that => because
17. A. must not => don't have to
18. D. electricity => eletrical
19. D. be => is