You think diet is the best thing for improving cognitive performance. Tell the others three reasons why. Tell them what is wrong with their things. Also, tell the others which is the least effective of these (and why): exercise, sleep or exam success.

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

Объяснение:

1)I can't call my brother to play football now. He's studying. - Alright, we'll play without him.

2)This student is a good boy. He studies much and respects the teachers. They're proud him.

3)Whom did you see yesterday in the square?

4)When you give the present to him, what will he say? I think he won't forgive you yet.

5)I can't ask my father now. He hasn't come yet.

6)My brother has already woken up and had some jogging in the yard. Come and see him from the window! He wakes u[ early even in summer, when there is no school. He's a real sportsman!

7)Cut it out! You haven't let the cat out yet! You told him yesterday, didn't you?

8)I'm sorry, no cinema today. I really can't. I have to go with my parents to the restaurant. It's mt father birthday.

9)The train leaves every day at 10.26 sharp. If you come one minute too late, you will miss. By the way, when will you get up tomorrow?

10)Can't you see I'm so busy with me baby? I'll come when I finish with him. In 10 minutes, at most.

11)I really can't  do the shopping today. I don't fell well. Will you do it for me? - Of course mum, I will go to the shop, don't worry.

12)It's eleven o'clock, and you still aren't sleeping! Where do you think you'll be? This is not a holiday hotel. Get yourself a job, do something, or I wouldn't cook for you anymore, and I wouldn't give you money for your entertainments!