A. DO ALIENS REALLY EXIST?
b) FALSE: "And two brothers in Chile said...a driver´s suit"
3. a) depicted b) nowadays c) vanished d) just
4. a) handn´t believed / to
b) whose / by
c) much / was given
d) of / thought
B. GENETIC FINGERPRINTING
1. a) FALSE: "Looking at an x-ray... genetic fingerprinting"
b) TRUE: "The importance of the discovery... and immigration authoritites"
3. a) immediately b) storing c) worried d) available
4. a) was arrested / committing
b) had had / would have been
c) Although / to
d) better / should - must
