Неправильные существительное множественного число

Man-men
woman-women
child-children
foot-feet
tooth-teeth
goose-geese
fish-fish
sheep-sheep
mouse-mice
fruit-fruit
hair-hair

Может быть исключения. Если да, то вот:
ед. ч. мн. ч.
Fish Fish
Sheep Sheep
Child Cildren
Man Men
Woman Women
как читается : Фиш (и в единственном и во множественном)- рыба, Шиип(как предыдущее) - овца, Чайлд- чилдрен(1 - ед. 2 - мн. ч.), мэн(как и рыба, меняется только буква), вумен - вимен (1 - ед. 2- мн.)

If you go to school or university, you are faced with a number of exams. Basically, these exams are supposed to test your knowledge and skills. Also, they may motivate you to study harder.

In my opinion, it is really the case that exams motivate students to study harder. Firstly, exams are often a pass to a higher level of education. If you get good marks in examinations, you are admitted to further education. If you fail, you do not get the admittion. So, you make every effort to keep the right to study further. Secondly, exams are a good way to assess your learning efficiency and detect possible gaps in your knowledge. Bad marks mean that your knowledge is flawed and you need to be more disciplined and work harder to do away with the flaws.

But there are people who believe that examinations do not give real motivation to a student. They say that being a good student with excellent marks does not guarantee future prosperity.

Nevertheless, I cannot assent to the foregoing opinion, because being a good student is the beginning of being a good employee or worker who can earn a good living. Highly qualified professionals are always in great demand in any business sector.

In conclusion, exams play an important part in our life, although any exam is a kind of pain. But the saying is: no pain, no gain!

1. Danil said, “We’re having an environmental awareness day at school tomorrow.”
Danil said that they were having an environmental awareness day at school the next day
2. I said, “I run in the park every day.” 
I said that i ran in the park every day
3. John said, “Did you read the paragraph?”
John asked if i had read the paragraph 
4.Michael said, “Will you go to school or stay at home?” 
Michael asked if i would go to school or stay at home
5. I asked, “Who wrote the letter?” 
I asked who had written  the letter 
6. Helena asked, “Why has she written this article?” 
Helen asked why she had  written that  article 
7. Poly asked, “Who goes to the theatre?” 
Poly asked who went to the theatre
8. Father said to me, “Don’t be late.”
Father said to me not to be late  
9. Mother said, “Go to the shop and buy some milk.” 
Mother said to me to go to the shop and buy some milk
10. Nick said, “I can give you a good example.”
Nick said that he could give me a good example