1300+ câu trắc nghiệm Từ vựng học có đáp án - Phần 22

the country was _____ the verge of collapse because of the intensification of violent rebel attacks.

19/30

the country was _____ the verge of collapse because of the intensification of violent rebel attacks.

On

Off

Into

From

Giải thích

chọn đáp án A.