change the following sentences into passive voice
đổi những câu sau thành giọng bị động
1 i clean the floor evary day
2 my mother bought this dress this morning
3 she did this exercise two days ago
4 they will send him abroad to study
5 she used this room
6 someone stole my bike yesterday
7 he received a letter from his parents
8 she will buy a new house
9 they aren't building my house
10 hecould solve the math problem easily
11 my mother waters these flowers every morning
12 nam invited hoa to his birthday party last night
13 her mother is preparing the dinner in the kitchen
14 we should clean our teeth twice a day
15 our teacher has explained the problem care fully
16 they are going to buy this house
17 he will visit his parents next month
18 the director didn't phone the secretary this morning
19 nam broke the window yesterday morning
20 they were doing the test at 3 p.m yesterday
1, I clean the floor everyday.
-> The floor is cleaned everyday.
2, My mother bought this dress this morning.
-> This dress was boughtby my mother this morning.
3. She did this exercise two days ago.
-> this exercise was done two days ago
4. They will send him abroad to study.
-> He is sent abroad to study
5. She used this room.
-> This room was used
6. Someone, stole my bike yesterday.
-> My bike was stolen yesterday
7. He received a letter from his parents.
-> a letter was received was received from his parents
8. She will buy this house.
-> This house wil be bought
1. The floor is cleaned everyday.
2. This dress was bought by my mother this morning.
3. This exercise was done two days ago
4. He will be sent abroad to study
5. This room has be used.
6. My bike was stolen yesterday.
7. A letter from his parents was received.
8. This house will be bought by her