1.Because I had a bad cold, I didn’t go to school yesterday.
2.Although Lan can’t play the guitar, she can dance very well.
3. If we use cars all the time, we will make the air dirty.
4.Tea is the most popular drink in London.
5.Unless we try to save our sources of energy, they will soon end.
Chúc bạn học tốt!Nếu được cho mình xin CTLHN nha!