Rewrite sentences in the passive making all the necessary changes. (Перепиши предложения в пассивном залоге, производя все необходимые изменения.)

1. Her mother woke her up at 7 o’clock.

2. The teacher will mark the essays.

3. Has Mark written a poem for you?

4. Steve hasn’t opened the mail yet.

5. How do people learn languages?

we have become more dependent on chemicals.  and, strangely, we hardly notice anymore. every single day we start and finish by using a product that has at least 10 different chemicals in it: a toothpaste. later, we take a shower using several products (shampoo, conditioner, body wash, lotion). the names of the chemicals in all these products will take a few pages to list. later on, we eat chemically enhanced food, packaged in plastic.  we wear and sleep on synthetics, we drink and eat foods that are drastically modified with chemicals.  all these innovations have been introduced less than 50 years ago, just two generations have been around so many chemicals lately.  and, scarily enough, we hardly notice anymore.

if you have a best friend you can always rely on him. if you have trouble, he will always be there and always help.

1.yes it is. we keep there our potatoes.

2.there are 4 rooms. there are 2 rooms upstairs and 2 rooms downstairs. no, we don't.

3.my house made from bricks. no, there aren't.

4.yes, there are. no, there isn't.

5.yes it is. yes i do. 

6.the ceilings are high. yes it is.

7.yes, it is. we keep them in the big room.

8.yes, it is. 

9.yes, there are. yes, it is.

10.yes, it is.

11.the rooms are cluttered.

12.yes, we do.

13.yes, we do.

14.my father is.

15.it looks like the palace on the ourside. yes, it is.

16.no, it isn't.

17.yes, it is.

18.no, we aren't.