1. Раскрыть скобки2. Написать в пассивном залоге

1. had become 
2. was
3. did you see 
4. are going
5. will write
6. had been spending
7. speaks
8. has been travelling
9. worked
10. has known
______
1. The grammar rule has been explained to the students by the teacher
2. Russia will be visited  by many tourists next summer
3. The importance of education is understood by everybody
4. Their holiday cottage has been sold
5. Look! The snowman was being мейд by the children
6. Milk should be drunk by little children every day
7. The computer had been switched off by Mary before the house was left
8. Your homework must be done for every lesson