Ответ:

3.What's this?

It is Dvd.

4.What are these?

They are keys.

5.What is that?

It is hotel.

6.What is that?

It is diary.

7. What's this?

It is mobile phone.

8. What are those?

They are dictionaries.

9. What's that?

It is printer.

10. What's this?

It is glasses.

11. What's that?

It is Tv.

12. What are that?

They are tickets.

Ответ:

3.What is this?

It is a diary.

4.What are these?

They are keys.

5.What is that?

It is a hotel.

6.What is this?

It is a diary.

7.What is this?

It is a mobile phone.

8.What are those?

They are books.

9.What is that?

It is a printer.

10.What are thеsе?

Thеy are a glasses.

11.What os that?

It is a TV.

12. What are these?

Thеy are tickets.

Объяснение:

Можно написать вместо It и They то что на вопросе: What is (are) this (these,that,those)и на ответ This (these,that,those) is (are) a printer...

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This--это,эта

These--эти

That--то,та,тот

Those--те

am,is,are это To be...

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Я не написала 1 и 2 по скольку они примеры(exemple)