Предмет: Математика, автор: arinadubkova540

срочно!! даю 50 балов​

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Автор ответа: Аноним
0
1)6а-9+4а=10а-9
2)6х-4
3)-3b+2+b=2-2b
4)2m-4m+8=8-2m
arinadubkova540: а розписать?
Аноним: Я все расписала
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Помогите очень срочно надо решить



Variant 4

Choose the correct answer:

1. Where ___ my friend?
1) are 2) were 3) be 4) is

2. These ___ my boots.
1) is 2) are 3) was 4) be

3. What ___ your name?
1) are 2) was 3) is 4) am

4. I have ___ friends.
1) much 2) many 3) any 4) somebody

5. He hasn't ___ money.
1) much 2) many 3) few
4) a few

6. That’s not Mary’s room. ___ room is next to the living room.
1) Her 2) She 3) Hers 4) His

7. We bought ___ new books.
1) any 2) us 3) me 4) some

8. I don’t need any help. I can take care of ___ .
1) yourself 2) myself
3) themselves 4) mine

9. Peter ___ his hair twice a week.
1) wash 2) washes
3) washed 4) was washing

10. Food is expensive. It ___ a lot of money.
1) cost 2) costing
3) is costing 4) costs

11. Shoes are expensive. They ___ a lot of money.
1) cost 2) costing
3) is costing 4) costs

12. ___ from Monday to Friday?
1) Do she work 2) Is she working
3) Does she work 4) Has she work

13. The train arrived into the station and we ___ on the platform.
1) went 2) was going
3) gone 4) were go

14. What ___ when the dog ran into the room? - I was cooking.
1) did you do 2) were you doing
3) do you do 4) was you do

15. While I was watching TV, someone ___ on the window.
1) knocked 2) was knocking
3) were knock 4) was knock

16. I ___ a bath when the phone rang last night.
1) had 2) was having
3) was had 4) were having

17. I bought a new computer last week, but it ___ .
1) hasn't worked 2) didn't work
3) don't work 4) worked not

18. I ___ very well last night. There was loud music coming from a house down the road.
1) wasn't sleeping 2) didn't sleep
3) haven't slept 4) didn't slept

19. I went to the school dance last Friday, but I ___ it very much.
1) didn't enjoyed 2) don't enjoy
3) didn't enjoy 4) haven't enjoyed

20. Hip-hop is ___ than Rock.
1) more popular 2) popularer
3) popularest 4) popular

21. Unix is___ than Windows.
1) safer 2) safest
3) more safe 4) safe

22. I think that was one of ___ days of my life.
1) the worst 2) bad
3) worse 4) less
8 лет назад