Start at once or you will be late.
A. Unless you start immediately, you won’t be late.
B. You would be late if you didn’t start at once.
C. If you don’t start immediately, you will be late.
D. If you started at once, you wouldn’t be late.
Đáp án C
Bắt đầu ngay lập tức hoặc là bạn sẽ bị muộn.
Cấu trúc: Vo/ Don’t Vo or S + will + Vo => viết lại câu điều kiện loại 1
I am sure he did not know that his brother graduated with flying colors.
They couldn’t think of anything better to do. They decided to baby-sit for the family.
Overeating is a cause of several deadly diseases. Physical inactivity is another cause of several deadly diseases.
He didn’t take his father’s advice. That’s why he is out of work.
“You have just got a promotion, haven’t you? Congratulations!” Peter said to his friend.