Mark the letter A, B, c or D on your answer sheet to show the underlined part that needs correction in each of the following questions. The oceans contain many forms of life that has not yet been discovered.
A. oceans
B. forms
C. Has
D. Yet
* Đáp án
* Hướng dẫn giải
Đáp án là C. has => have, VÌ that thay thế cho many forms of life