của bạn này
1.people speak english in many countries
>>English is spoken in many countries
2.someone stole her helmet
>>her helmet was tolen
3.the students are discussing about their
>>cau nay co sai de ko bn " about their...." p co j o day cku mjh vj du la lesson nha:
>>Their lesson is being discussed by the students.
4.the police have just caught the thief
>>the thief has benn just caught by the police
5.she teaches us grammar and writing
>>we are taught grammar and writing by her
6.thomas edison invented the electric light bulb
>>the electric light bulb was invented by thomas edison
7.lan is going to invite her friends to her birthday party
>>Lan's friend is going to be invented to her birthday party by her
8.everybody should keep food in the refrigerator to keep if fresh
>>food should be kept in the refrigerator to keep fresh
9.lien could not open the door of the classroom
>>the door of the classrom could not be opened by lien
10.they cancelled all the flights because of the storm
>>all the flights were cancelled because of the storm
11.people must repair that old building
>>that old building must be repaired
12someone will give you your tickets at the airport
>>you will be given your tickers at the airport
13.someone is cleaning the classroom at the moment
>>the classroom is being cleaned at the moment
14the working people has considered may day a great holiday
>>cau nay bn viet dung ko zay
15.since the 9th century,people have used wood for making the pulp
>>>since the 9th century, wood has been used for making the pulp