1 : Lien asked me if Mount Everest was 8,848 meters high
2 : The gate was painted  by my brother last year
3:Nam does exercise every morning in order to keep fit and stay heathy.
4: We took part in a water - fetching contest
1 : Mai went to bed early so as not to be late for the test next morning
2: His homework has been finished by Nam
3 : The man talking to headmaster is my English teacher
4 : That was the old house built by father.
5 :  Could you tell me where the nearest post office is?
6 : Hanh is studying very hard in order to pass the exam
7 : English is spoken in the world by many people 
8 : This question is too difficult for us to understand.
9 : It's impossible to work in those conditions
10: Miss Linda told the students not to throw things away.
15 : Paper was invented in the century A.D by the chinese.
16 : 10,000 cars are produced each year by this factory
17 : Nam said that his sister liked cooking. 
-Chúc b học tốt
#EricWasTaken