Rewrite the following sentences without changing the meaning.

1. The sister asked: “Are you hungry, Tom?”

- The sister asked Tom if he was hungry.

2. A lot of effort has been put in the work by the little girl.

- The little girl has put a lot of effort in the work.

3. How long have you studied medicine?

- When did you start to learn medicine ?

4. John was too ill to go to school.

- John wasn’t well enough to go to school.

5. Tom is not as tall as Peter.

- Peter is shorter then Tom.

1) a-perform b-colour c-boring d-your

2) a-bath b-watch c-want d-water

3) a-thank b-think c-father d-them

4) a-happen b-house c-hour d-horse

5) a-filled b-destroyed c-wished d-prepared

6) a-flow b-crowd c-cloud d-scout

1. Some people are used to..... in crowed buses, and don't mind it at all

2. It’s no use …………him to stop smoking.

3. It is fun to camp in the forest, but It is very important to know how to ........nature clean before we leave.

4. ……………. this invention , we can learn more about the undersea world.

5. My parents like fish, but ..............

6. My sister has a.............summer vacation.

7. Marry and I are looking forward ……………..you.

8. Where can we cross the road ? – Use the ………………….

9. My funny story made the whole class.............

10. She needed……......these postcards to her friends

Mark twain is a famous American writer. His (61) name was Samuel Longhorn Clemens and “ Mark Twain” was (62) his pen-name. Samuel Clemens was born in a small town (63) on the Mississippi river in the USA. The boy (64) had many friends at school and when he became a writer, he described them in his stories. (65) When Samuel was twelve, his after father died and the boy began to work and learned the (66) jog of a printer. Samuel always (67) wanted to be a sailor and when he was he was twenty he found work on a river boat. After some time he (68) left the boat and went to live in California. Here he began to write short (69) stories under the name of Mark Twain. He sent (70) them to newspaper. The reader liked his stories very much.

write a passage about Marie Curie. Make any changes if necessary:

1. Marie Curie/ born/ Poland/ 1876

\(\Rightarrow\) Marie Curie was born in Poland in 1876.

2. Mother/ die early/ and/ father/ try hard/ bring up four children.

\(\Rightarrow\) Her mother died early and her father tried hard to bring up the four children.

3. She/ learn/ read/ write/ at/ age/ four.

\(\Rightarrow\) She learnt to read anh write at the age of four.

4. School/ she/ very good/ natural sciences.

\(\Rightarrow\) At chool, she was very good at natural sciences.

5. Sixteen/ leave school/ and/ go/ France/ study

\(\Rightarrow\) When she was sixteen, she left school and went to France to study.

6. France/ after lectures/ spend hours/ university library/ lab

\(\Rightarrow\) In France, after lectures, she spent hours in the university library or lab.

7. She/ work very hard/ become/ famous/ chemist/ physicist

\(\Rightarrow\) She worked very hard and to become a famous chemist and physicist.

8. 1903/ she/ with/ husband Pierre Cutie/ win/ Nobel prize/ physics

\(\Rightarrow\) In 1903, she with husband Pierre Cutie won Nobel prize for physics.

9. Eight years/ later/ she/ receive/ Nobel/ prize/ chemistry

\(\Rightarrow\) Eight years later, she received Nobel prize for chemistry.

10. She/ die/ 1934/ age/ 67.

\(\Rightarrow\) She died in 1934 in the age of 67.

A= \(\left(\dfrac{a}{b+c}+1\right)\)+\(\left(\dfrac{b}{a+c}+1\right)\)+\(\left(\dfrac{c}{a+b}+1\right)\)-3

= \(\dfrac{a+b+c}{b+c}\)+\(\dfrac{a+b+c}{a+c}\)+ \(\dfrac{c+a+b}{a+b}\) -3

= (a+b+c). (\(\dfrac{1}{b+c}\) + \(\dfrac{1}{a+c}\) + \(\dfrac{1}{a+b}\)) -3

= 2016. 1-3=2013