V:
Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction.
Trả lời câu hỏi dưới đây:
There are about 350 species and subspecies of birds in danger of become extinct, with a large number of them , 117 in all , found on oceanic islands.
Đáp án là B. become => becoming. Vì, giới từ + V-ing