1. is cleaned by my father every day.
2. is written by Mai.
3. is done by them every weekend.
1 The room is cleaned by my father every day
2 A letter is written by Mai
3 The students' homework is done by the students every weekend
I/ SIMPLE PRESENT TENSE (Thì hiện tại đơn)
1. My father cleans the room every day.
The room is cleaned by my father every day.
2. Mai writes a letter.
A letter is written by Mai.
3. The students do their homework every weekend.
The students' homework is done by the students every weekend.
