Trả lời:
1, Do morning exercises regularly, your body will be fitter
⇒ If you do morning exercises regularly, your body will be fitter.
2, Stop smoking otherwise your cough may be worse
⇒ If you don't stop smoking, your cough may be worse.
3, If there's an emergence, ring this number
⇒In case there's an emergence, ring this number.
4, I think you should go along this way
⇒ If I were you, I would go along this way.
5, I had to spend the whole evening finishing my work
⇒ It had been a spending the whole evening for me to finish my work.
6, They used to go to school in half an hour
⇒ It used to take them to go to school in half an hour.
7, When did you begin to do research on lung cancer?
⇒ How long is it since you did research on lung cancer?
~잘 공부하세요~
@su
$\text{#BTS}$