Estimated to be about 15,000 years old, it is a relative baby compared with Earth’s other very large lakes, __( 45 )__ more than two million years old.
Giải thích
Đáp án B
B. which can be
Mệnh đề quan hệ bổ nghĩa cho Earth’s other very large lakes
Đáp án B
B. which can be
Mệnh đề quan hệ bổ nghĩa cho Earth’s other very large lakes