Left or right?

  BOOK THE OFFICIAL CAMBRIDGE GUIDE TO IELTS ANSWER KEY TEST 8 (EIGHT) READING PASSAGE 3   27 D 28 C 29 E 30 B 31 environmental 32 light 33 multi-tasking 34 food 35 predator 36 E 37 H 38 B 39 B 40 A   THANKS FOR READING: Left or right? Answers