1 .C signal
2 .D much
3. C plugged
4. A message
5. C behind
6. A misinterpreted
7. B judged
8. D unfamiliar
9. B anxious
10. D turn
11.A dangerous
12. A hurt
13.B conversation
14. D passengers
15.C predict
16. D ride
17.A went through
18.C in fact
19.B since
20 B simple
