• Home
  • At certain times of the year, smog in the Arctic is thicker … anywhere else on Earth.
Question 1:
At certain times of the year, smog in the Arctic is thicker … anywhere else on Earth.
A. of smog
B. smog
C. than smog

These questions are from this test. Would you like to take a practice test?

Practice Quiz 80 | B2 – Upper-Intermediate