Key to revision exercise

Please note that these are NOT the only correct answers:

1-EXTREMELY......CAUSE

2-RESEARCH
3-CRASHED

4-CARRIED OUT......EITHER......WHETHER

5-GET............... WORSE.................

6-ON................INVOLVES.............. OFF ............

7-PUT..............TRAFFIC LIGHTS

8-LOUD...........DOWN

9-CHARGE.........FOR............

10-EXPECTED

11-KEEP..........WHILE

12-RANGE...............

13-SLIGHTLY

14-TEND..........WHEREAS

15-SWAP

Lo gracioso = the funny thing

Lo raro = the strange thing

Lo preocupante = the WORRYING thing.