ОТМЕЧУ как лучший!

Correct the mistakes in these sentences. One sentence is correct.

1. Must he to determine the demand of the brand?
2. They not must stop the experiment.
3. Our new employee can no analyze competitors.
4. What job they can receive if they work effectively?
5. Must we raise the consuming demand?
6. Brand managers must have experience in marketing.

1) They are going to not take part in the competition.
2) I often write letters to my friends.
3)Our students will  take part in the competition the day after tomorrow.
4) It was my grandmother's birthday yesterday.
5) The girl has already phoned the hospital.
6) We were out of luck yesterday and lose the game.
7) Paul will take part in the swimming competition next Sunday.
8) Where is Steve? - He is in the room. He is sleeping.
9) Have you taken part in the game recently?
10) He always helps his niece with her homework.

"Go up to your bedroom and stay there!" he shouted.
He shouted to him to go up to his bedroom and to stay there.
"Go upstairs, or I'm going to come and spank you!" he said angrily.
He told him to go upstairs or he was going to come and spank him.
"Is my son here?" he said to Mr. Perry
He asked Mr. Perry if his son was there.
"Yes, I'm here," someone answered from upstairs, "but Mr. Perry always stops me going home".
Someone answered from upstairs that he was there but Mr. Perry always     stopped him going home.