Use 's or s' only where possible.1 a delay of an hour 6 the price of success….2 a journey of two days 7 work of seven years…..3 the shade of the tree 8 the surface of the earth….4 the book of the film 9 at the door of death….5 the inside of the box 10 an absence of a ​

1/ We always abide all rules of our school.  2/ I usually awake early in the morning.  3/ I never beat the weak children or animals.  4/ They often begin their work at 8.30 in the morning.  5/ She can't bend this branch and puts it aside.   6/ Our dog doesn't bite anybody but everybody is afraid of it.  7/ As a rule in winter a wind blows and it often snows.  8/  I never break anything but my sister does.   9/ Our mother bring something tasty every day.  10/ They  build a lot of new schools every year.  Сори сколько смогла.

Как то так
Listen! Anna sings in the next room. She sings very well. She is studying at the Conservatory for 3 years. 2. What are you writing? - I'm writing a letter to his sister. We often write letters to each other. She is now working on his book. She's working on it for several months. 3. What are you doing now? - I'm preparing for a seminar on the history and gosu¬darstva law. - In my opinion, you are preparing for a long time. - Yes, this workshop is very difficult. I'm getting ready for several hours. - But you're usually quick to cook. - Yes, but for this workshop, I am preparing to three hours.