1.The president is singing those papers
-Those papers are being sung by the president
2.He ought to do the exercises at home
-The exercises ought to be done at home
3.He shouldn't drink a lot of wine
-A lot of wine shouldn't be drunk
4.The dog ate an apple in the graden
-An apple was eaten in the garden by the dog
5.I saw a strange man in the park last night
-A strange man was seen in the park last night
cho mình 5 sao+ câu trả lời hay nhất nhé