They cancelled all flights because of fog All flights because of fog

7/15

They cancelled all flights because of fog.

All flights because of fog were cancelled.

All flights were cancelled because of fog.

All flights were because of fog cancelled.

All flights were cancelled by them because of fog.

Giải thích

Đáp án: B

Because of + V-ing/N/cụm N/O: vì cái gì/vì làm gì/vì ai

Dịch nghĩa: Họ đã hủy tất cả các chuyến bay vì bão. – Tất cả các chuyến bay đã bị hủy vì bão.