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.
