1 ⇒It's important to keep the environment clean
2.⇒The room was cleaned by Nam THE BEFORE DAY.
3⇒A new bridge has just been built in the area.
4⇒Shall we go to the beach this weekend?
5⇒Although he had a headache, he still went to work.
6⇒She has worked as a secretary for 5 years.
7⇒Because his leg was broken, he didn’t take part in the contest yesterday.
8⇒Although the weather was bad, we went out for a picnic
9⇒ Rice is grown in tropical countries.
10⇒It takes me three hours to do my homework every day
11⇒My father enjoys watching television everynight
12⇒She wishes she spent her vacation in Ha Long Bay.
13⇒He used to have a lot of money.
14⇒It has been discovered that there is water on Mars.
15⇒It is expected that the professor will arrive this morning.
16⇒ I used to stay up late to watch football matches last year.
