WE COULDN'T SEE THE MOON BECAUSE THERE WERE SO MANY ...A. STARSB....

12. - 3500 CAU TRAC NGHIEM ON TAP AV THCS
3500 CAU TRAC NGHIEM ON TAP AV THCS

12. We couldn't see the moon because there were so many ...

a. stars

b. surfaces

c. clouds

d. atmospheres

--> c