30 . найти ошибки, у меня совсем плохо с грамматикой firstly, i can't live without my mobile phone with which i listen to my favorite music and take pictures of interesting moments of my life. secondly, i can't imagine life without my computer, which i use to find a variety of information on the internet and send text messages to my friends. and finally the third necessary thing is my tv on which i watch the news.

Всё хорошо! Будьте уверенней в себе!

Я немного переделала, так с точки зрения письма правильнее) удачи Firstly, I can't live without my mobile phone with which I listen to my favorite music and take pictures of interesting moments in my life. Secondly, I can't imagine life without my computer.I use it to find a variety of information on the Internet and send text messages to my friends. Finally, the most necessary thing is my TV. I watch the news on it.

1 An expedition is going to be prepared by John Mills to the North
2  видимо предложение не правильно написано
3 the expedition is going to be showed on national television
4 All the necessary have been already bought  by John Mills
5  An observation is going to be set up 
6 Objections have been raised to this expedition by many people

1 the project of a new trade centre is being discussed by the chief architects and engineers
2 all the necessary documents have been already signed by the general managers
3 building works are going to be started in April
4 the project will be supported by Many building firms 
5 the biggest trade and entertainment centre are going to be built in the region
6 objections have been raised to this project

I am fond of gardening.
She was fond of gardening last summer.
Was she fond of gardening last summer?
Was she fond of gardening or playing tennis last year?
Who was fond of gardening?
When was she fond of gardening?
Why was she fond of gardening?
She was fond of gardening,wasn't she
They were fond of gardening, when they visited their relatives in the village last month.
Часть предложений составлены в виде вопросов к одному утверждению She was fond of gardening. если можно оставить эти вопросительные предложения, то тогда получаются 9 предложений