Там в условии что-то напутано с нумерацией...
Make the sentences passive. Use by if necessary.
The first modern automobile was built in 1885 by Karl Benz.
3 The Mini has been manufactured in Oxford since 1994.
4 People is being encouraged to cycle in the city centre by the mayor.
5 Tourists will be flied into space in the near future by commercial spacecraft .
6 By the time we got to the airport, the flight had been cancelled.
7 The first Tour de France bike race was held in 1903 by the French.
8 Over 30,000 cars have been sold in the UK this year by Škoda .
9 Cyclists are being encouraged to wear safety helmets on the roads.
10 Six volunteers will be selected by NASA to take part in a simulated space trip to Mars.
11 The ticket office had been closed by the time we arrived at the station.
12 Decide if the sentences are correct or not. Rewrite the sentences that are incorrect. 1 What language are these instructions write in? 13 How long ago was this motorway build? 14 You will be helped to put your bags in the overhead locker. 15 I’ve heard that this airline is more unreliable than some of the others. 16 World Car Free Day is hold on 22 September this year. 17 It is reported that this low-cost airline is unreliable. 18 Will the flight attendant help us with our bags at the check-in desk? 19 Weren’t these buildings construct last year?
3 Complete the sentences with indefinite pronouns. 1 I haven’t been anywhere in my new car yet. 20 Someone called while you were out, but I don’t know who it was. 21 She was expecting her family to meet her at the airport, but nobody came. 22 There’s something important I must tell you before I leave.
1.If he trained enough last year, he would be a first-class sportsmen now.
2.If the pupils are active they'll understand this difficult material.
3.If the pupils were attentive, they would understand the homework.
4.If the pupils didn't work hard, they wouldn't do well in their examinations.
5.If she was good at foreign languages, she would try to enter the foreign languages department.
6.If I have a toothache I'll go to the dentist.
7.If he went to the dentist to have his tooth filled, he wouldn't groan with pain now.
8.If she needs any treatment, she'll go to the polyclinic.