Choose the sentence that best combines each pair of sentences given. I always turn off the fans when I leave the room. That helps save energy.

6/20

Choose the sentence that best combines each pair of sentences given.

I always turn off the fans when I leave the room. That helps save energy.

I always turn off the fans when I leave the room and which that helps save energy.

I always turn off the fans when I leave the room, which it helps save energy.

I always turn off the fans when I leave the room, that helps save energy.

I always turn off the fans when I leave the room, which helps save energy.

Giải thích

Đáp án đúng: D

Giải thích: Dùng dấu phẩy + which để bổ nghĩa cho cả mệnh đề trước.

Dịch nghĩa: Tôi luôn tắt quạt khi rời khỏi phòng, điều đó giúp tiết kiệm năng lượng.