Решить третье четвертое пятое ​

√3

think-thought-thought

make-made-made

do-did-done

drink-drank-drunk

have-had-had

see-saw-seen

meet-met-met

draw-drew-drown

√4

1) i helped my mother last week.

2) we visited my grandmother in the village last friday.

3)it was sunday yesterday.

4)she watered the flowers in her bedroom two days ago.

5)they went to s.peterburg last spring.

√5

1) i didn't do my exercises yesterday.

2) did you bake a cake on saturday?

3) mary drink tea in the morning.

4) why did she come early?

5) i met my old friend last week.

Ihad been doing my homework for two hours when my mother came. we had been driving a car for three hours before our car broke down. tom had been watching the film for 2 hours when the tv screen suddenly went blank. she  had not  been sleeping for a night before we returned.  why had you been waiting for us since 5 o'clock before we came? who had been discussing this problem for an hour when we came? he had been playing computer games for three hours when we came.what had they been doing for an hour before we came? the pupils had been writing a test for two hours before the bell rang.

One of the most important inventions of the human’s history is television. since it was invented, the machine has been used for many purposes: it helps people to  relax, entertains them and educates. obviously, there are many tv programs that are designed to educate people, keep the viewers aware of everything what  happens in the world. nowadays  people spend many  time watching tv.  after working hard, person needs a  rest, also, after being educated, he craves for being entertained. teaching and entertaining together can have a good effect on tv viewers. the knowledge that they have got earlier can be absorbed more easily. they can listen to music, watch game-shows and other pleasure activities. this way, the stress that viewers have  can be blown out more easily.  the entertaining programs on tv can also connect people all around the world, especially through interactive programs. people can share their opinions, their thoughts about global issues.  to sum up, the educating purpose of tv cannot be denied but it  should be seen as a device that can both educate and entertain viewers.  but we should also think:   how much time do we spend watching tv, and is this healthy for us? watching tv causes troubles with our  back and eyes, it also can hurt our ears. it takes all our free time, which we can spend outside playing active games or reading a book. doing without tv can make my life healthier and more active. so even if watching tv can be so interesting, i think my health is worther than it.