Change these sentences to the passive voice : This is the first time they have written to us about this. ……… How many lessons are you going to learn next month? ………… Someone had invented electric lights before I was born. …… People know that Japan produces a wide range of cars. ………… Before they took exams they had revised their lessons. ………… When he came home his father was reading a newspaper. … My father will take me to Ho Chi Minh City next week. ………… When I was 18 years old, my parents allowed me to go out in the evening. …… You were wearing your new hat when I met you yesterday. … He is preparing everything for the presidential election. …… Last Friday, when I came to Jane’s house, she had finished all exercises. …………… Countries are finding a way to solve the problem. …… He put the letter in the drawer, and then he locked it up. ………… By the end of this year, we will have learnt 2,000 English words. ……… Don’t ask for another book until you finish this one. ………… Her father was planting different kinds of flowers in the garden. ……… The Prime Minister is making a speech at the moment. …………… How many days did she spend finishing the work? ………… The doctor pulled out one of my teeth yesterday morning. ……… His wife usually brings him sandwiches at lunch time. ………… The light went out while I was making a cup of tea. …………… When she went to Barcelona, she learnt some Spanish. ………… The students of chemistry made many experiments last week. …………… For the past years, I have done all my washing by hand. ………… A pair of robins has built a nest in the porch since last week. ………… They say that she is the best singer in this town. She ……… They believe he will be the winner. It ………… People think that Tom stole food in the supermarket 3 days ago. Tom ……… Someone reported that the situation was under control. The situation ……… It is said that she works 16 hours a day. She …………… Someone thinks that the company is planning a new advertising campaign. The company …… Everyone expects that the soap opera will end next year.  It ………… It is alleged that the man drove through the town at 90 miles an hour.  The man ……………… Someone believed that the President had suffered a heart attack.  The president ……………… They think that the prisoners escaped by climbing over the wall. The prisoners … It is reported that the buildings have been badly damaged by fire.  The buildings ………… It is reported that many people are homeless after the floods. Many people …… We all expected that Marta will pass the exam. It ……… We knew that you are in town on the night of the crime.  You …………… People believe that he was killed by terrorists.  He ………………