... will need to use the edition of Grammar Practice for Pre -Intermediate Students with Answer key. We hope that Grammar Practice for Pre -Intermediate Students helps you to improve your English. ... PREPOSITIONS 128-137 PHRASAL VERBS 138-144 TESTS 1-3 145-153 ANSWER KEY 154-168 INDEX 169-174 To the student Grammar Practice for Pre -Intermediate Students gives short, clear explanations of...
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Answer Key
12
1. a, d
2. b
3. b, c
4. b
5. b
6. e
7. b
8. b
9. d
10. c
11. b
12. b
13. d
14. a
15. c
16. ... line is up, line protocol is down. Answer c
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Answer Key
is incorrect, because a looped connection is indicated as serial 0 line is up, line
protocol ... incorrect, because the correct answ...