* Match the situations to the actions. Then, write sentences.1 join a school club2 a exercise every day316 not eat148) not go to bed early5 d not eat fruit and vegetablesa you get fitb you be tiredc you make frierd you get ille you get hungr12345If you join a school club, you will make friends.IfIf If If .............​

1)c

2)a

3)e

4)b

5)d

She teaches English in our school
She doesn't teach English in our school
Does she teach English in our school
She is teaching us to swim now
Is she teaching us to swim?
She isn't teaching us to swim
She will teach him to speak Spanish next year
Will she teach him Spanish?
She won't teach him Spanish
He has breakfast at 8 o'clock every morning
Does he have breakfast at 8?
He doesn't have breakfast at 8
He is having breakfast now
Is he having breakfast?
He isn't having breakfast
He will have breakfast at 9 o'clock tomorrow
Will he have breakfast?
He won't have breakfast
They do homework every day
Do they do homework?
They don't do homework
They are doing homework now
Are they doing homework?
They aren't doing homework
They will do homework in the evening
Will they do homework in the evening?
They won't do homework in the evening

1. Quite a large number of definitions have been given to statistics as a science.

2. The war brought major changes in the programme of statistical work and the methods of observation and processing.

3. All progressive knowledge in the modern world tends to precision.

4. At present many countries have declared themselves republics, some of them have become independent and encourage the use of local languages.

5. They had been working there for more than three hours when it happened.

6. Nowadays some difficult economic problems are solved on the basis of statistical data.

7. A theory is known to be tested by practice.