Make the sentences passive. Use by where necessary.
1 Karl Benz built the first motor car in 1885
2 Engineering works have caused a lot of delays
3 They'll probably search your bags at customs
4 The guard had already directed us to platform 4
5 A lot of commuters use this train
6 They've recently increased the price of rail tickets
7 Somebody left this bag on the plane

c but: they waited some time for her,  but  she did not come down again.i went to work  but  she went shopping.i like japanese culture but i don’t like the food much.the house is nice but expensive.c and: my friends and i just got back from ireland.i left my hotel room and went to the beach.jim bought a pair of trousers, a shirt and a jumper.  please come and visit us in the summer.c so: i've got a test next week, so i can’t go hiking with you.i heard a strange noise, so i went upstairs to see what it was.i was always interested in golf, so i decided to join the club.let's go to the cinema tomorrow.that film is  so interesting.с because: she apologized because she came late.i fell on the floor because the chair broke.she studies hard because she wants to have good qualifications.because it was raining, we didn't walk long.

Summer vacation started! Summer is the favorite time of year! In the summer it is not necessary to go to school. On vacation you can walk withfriends, to go to the cottage. And mythe holidays have passed.We went to the cottage in Chelyabinsk relatives. We were there for a long time. They have in the country was very beautiful. A lot of flowers, cherries and pears. I went to the river to fish. We caught a little Piskaryov 20 pieces. After that we came back home and pack "Ear". It was very tasty and satisfying. And so ended the summer, again we had to go to school and get new estimates in the journal. So I spent my summer vacation!