The earth is the only planet with a large number of oxygen in its atmosphere.

46/50

Mark the letter A, B, C or B on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

The earth is (A) the only planet with a large (B) number of (C) oxygen in (D) its atmosphere.

the

number

oxygen

its

Giải thích

Chọn B
number -> amount

Dịch câu: Trái Đất là hành tinh duy nhất có một lượng lớn khí Oxi trong bầu khí quyển.