Bộ 20 đề ôn thi vào Chuyên Anh năm 2023 có lời giải chi tiết (Đề 42)

_______ in this national park declined from a few thousand to a few hundred in ten years.

25/80

_______ in this national park declined from a few thousand to a few hundred in ten years.

For a number of tigers

The number of tigers

A number of tigers

That the number of tigers

Giải thích

Chọn B