Tìm lỗi sai và sửa: Of all the elements in the Earth's crust, oxygen is known to be the more common. A. Of all B. elements C. to be D. more
Tìm lỗi sai và sửa: Of all the elements in the Earth's crust, oxygen is known to be the more common.
A. Of all
B. elements
C. to be
D. more