People warned us not to go out alone.
A. We were warned not going out alone
B. We were warned not to go out alone by people.
C. We weren't warned to go out alone.
D. We were warned not to go out alone.
Đáp án đúng: D
Dịch: Chúng tôi được khuyến cáo không ra ngoài một mình.
The/ volcanic eruption/ be/ so destructive/ that/ many lives/ be threatened.
It was an interesting novel. I, therefore, stayed up all night to finish it.
I/ couldn’t/ see/ more/ a few/ feet/ front/ me/ because/ the/ snow.
you / volunteer / if / you / help / other / people / willingly / and / without / payment.