1/The man is walking up the stairs. He is Mr. Ba
The man_________(dung hiện tai Phan tu)
2/The toys are kept in cardboard box. They are 10 dollars.
The toys_____________(dung qua khu Phan tu)
3/MR. Long writes a letter. (passive forms-thu dong cách)
A letter___________________
4/He finished the exercises five minutes ago. (passive forms-thu dong cách)
The exxercises____________________-