Focused on grammar past simple of the verb to be positive/negative. i was you weren't he/she/it we they. read the grammar reference.

Past simple of the verb to be
Positive/Negative.
I was/wasn’t
You were/weren't
He/She/It was/wasn’t
We were/weren’t
They were/weren’t

1. nest/independent/You/should/leave/the/be/when/you/.

You should be independent when you leave the nest

2. lot/know/teenagers/nothing/to/A/of/next/chores/about/household/.

A lot of teenagers know next to nothing about household chores

3. easy/make/it/the/urban/rural/can’t/switch/from/be/to/life/to/.

It can’t be easy to make the switch from rural to city life

4. by/skills/Teenagers/life/do/not/disservice/to/themselves/a/some/learning/basic/.

Teenagers do a disservice to themselves by not learning some basic life skills 

16. How do you get to work as a rule ?
17. Why have you put on your coat?
I'm going for a walk. Will you go with me?
Yes I'd love to come. Will you mind if I bring my dog?
18. How much do you owe him?
I owe him 5£. Do you intend to pay him?
19 .Do you belong to a local library?
Yes, I do
Do you read a lot?
Yes, quite a lot.
How often do you change your books.?
I change one every day.
Mary usually learns languages very quickly but she doesn't seem to be able to learn modern Greek.

I always buy lottery tickets but I never win anything.

Do you like this necklace? I'll give it to my daughter for her birthday tomorrow.

I woun't tell you my secret unless you promise not to tell anyone. I'll promise.

Do you always write with your left hand?
Do you love him?
No , I like him very much ,but I don't love him.

26. Do you dream at night?
Yes, I always dream and if I eat too much supper I have nightmares.
The milk smells sour. Have you kept milk a long time?
These workmen are never satisfied, they always complain.
We'll use this room today. . .
He always says. . .but he never does it.
Do you know why the apple falls down. . .
Have you written him tonight?
Yes, I always write him. . . .
Do you want to send any message?
Tom and Mr. Pitt are having a long conversation. I wonder what are they talking about?
Do you believe all. . .
No , I don't believe any of it.
Then why do you read newspapers?

The car makes a very strange noise.
Do you think it is all right?
Oh , that noise doesn't matter.
It always makes a noise like that.

The fire smokes horribly. . .
I expect that birds have built a nest in the chimney .
Why haven't you put wire across. . . ?
Tom does that sometimes but it doesn't seem to make any difference.
В следующий раз проставляй цифры в предложениях , чтоб было быстрее , а то печатать долго.