1. 1. a) investigates
   2. b) looks into
   3. c) looks at
   4. d) examine
2. 1. a) out of
   2. b) in
   3. c) from
   4. d) on
3. 1. a) huge
   2. b) big
   3. c) large
   4. d) substantial
4. 1. a) filled in
   2. b) completed
   3. c) answered
   4. d) did
5. 1. a) handed out
   2. b) given
   3. c) issued
   4. d) distributed
6. 1. a) needed
   2. b) wanted
   3. c) required
   4. d) asked for
7. 1. a) talk about
   2. b) indicate
   3. c) tell
   4. d) point out
8. 1. a) little
   2. b) not much
   3. c) not enough
   4. d) not any
9. 1. a) kids
   2. b) youngsters
   3. c) undergraduates
   4. d) youth
10. 1. a) big
    2. b) huge
    3. c) upper
    4. d) overwhelming
11. 1. a) intimate
    2. b) nice
    3. c) close
    4. d) small
12. 1. a) talking
    2. b) saying
    3. c) interacting
    4. d) contacting
13. 1. a) comes
    2. b) results
    3. c) stems
    4. d) forms
14. 1. a) got
    2. b) given
    3. c) picked up
    4. d) received
15. 1. a) data
    2. b) facts
    3. c) records
    4. d) raw materials
16. 1. a) figured out
    2. b) expected
    3. c) dreamed
    4. d) hoped for
17. 1. a) ramble
    2. b) chat
    3. c) communicate
    4. d) gossip
18. 1. a) immediate
    2. b) near
    3. c) dear
    4. d) loving
19. 1. a) issue
    2. b) factor
    3. c) matter
    4. d) stuff
20. 1. a) not any
    2. b) zero
    3. c) no
    4. d) never ever