If/not hurry up/miss/train
A. If you didn't hurry up, you will miss the train.
B. If you didn't hurry up, you missed the train.
C. If you don't hurry up, you will miss the train.
D. If you are not hurrying up, you miss the train.
Đáp án đúng: C
Dịch: Nếu bạn không nhanh, bạn sẽ bị lỡ tàu.
We should move the furniture to higher places because of the flood.
Tom lives in the area affected by air pollution, so he has a breathing problem.