1. => Cars and trucks are used to carry food to the market.

2.=> Flight from Ha Noi has been delayed by bad weather.

3.=> Three more new schools will be opened in the town by The Prime Minister next autumn.

4. => Those books were returned to the library by Nam yesterday.

5.=>Mary hasn't been seen since three o'clock.

6.=>The report has to be finished by the students today.

7.=> He was made to study for the exam by his parents.

8.=>I haven't written to her for 2 months.

9.=> He has learned how to play the piano since 2005

9.

1.Cars and trucks are used to carry food to market.

2.The flight from Ha Noihas been delayed by bad weather.

5.Mary hasn't been seen since 3 o'clock.

7.He was made to study for his exams