The passage says that about five hundred volcanoes_____. A. will erupt this year
The passage says that about five hundred volcanoes_____.
A. will erupt this year
B. are still active
C. are located under water
D. have been discovered
Dẫn chứng “Volcanoes have been erupting on the earth for millions of years. More than five hundred of them still erupt today. These are called active volcanoes.”
Chọn B