Chọn đáp án đúng nhất

1. A. USA
B. useful
C. UFO
D. unidentified

2. A. wondered
B. discovered
C. visited
D. planned

3. A. saucer
B. dancer
C. Mercury
D. balance

4. A. climate
B. sighting
C. might
D. aliens

5. A. speech
B. chemistry
C. change
D. charge

6. A. mention
B. question
C. invention
D. translation

7. A. communicate
B. multimedia
C. culture
D. shrug

8. A. probably
B. telepathy
C. sensitivity
D. cry