7 Work with a partner. Change the words in bold in the conversation in Exercise 4. Use the information below. Practise the conversation.

A computer is an indispensable thing in our time, it helps us all to help him, we can find any information we need, see a movie, make a report, and much more. The computer has simplified and reduced the time and increased productivity koefitsent of performance rights. But he also present and cons, it spoils a person's vision and some would like to address the subject of games, they spend a lot of time with young people and with the need to do something is a very significant factor, but with it, we can pretty much . I believe that the computer is the thing without which today is difficult to manage.

1. This medicinal herb is good for eczema and skin blemishes.

Is this medicinal herb good for eczema and skin blemishes?

This medicinal herb is good for eczema and skin blemishes, isn't it?

Is this medicinal herb good for eczema or skin blemishes?

When is this medicine herb good?  

2. Lemon balm is versatile medicinal herb.

Is lemon balm versatile medicinal herb?

Lemon balm is versatile medicinal herb, isn't it?

Is lemon balm versatile medicinal herb or not?

Why is lemon balm versatile medicinal herb?