Mark is obliged to close his account. (have to)

Mark has to close his account.

Объяснение:

На английском:
I think that in 20 years the teenagers will wear comfortable and practical clothes. Their clothes will be loose, colored and nacked. I think They will wear jeans, T-shirts, jackets, shorts.  Girls won't wear skirt and blouse. They will dress as a men. I think that the material for clothes will be another. It will be  more practical. In order it won't lose color and form after washing. 
НА русском:
Я думаю, что через 20 лет подростки будут носить удобную и практичную одежду. Их одежда будет свободной, цветные и голая. Я думаю, что они будут носить джинсы, футболки, куртки, шорты. Девушки не будет носить юбку и блузку. Они будут одеваться так, как мужчины. Я думаю, что материал для одежды будет другой. Это будет более практичным. Для того он не будет терять цвет и форму после стирки. К тому времени одежда станет намного качественней. Появиться новая мода, дизайн. 

1. I haven't cleant my football boots.
2. They haven't started their meal.
3. I haven't done my homework.
4. He hasn't win all his matches this year.
5. My brother and I haven't seen any films this week.
6. It's my birthday party today. I haven't invited many people.
7. He hasn't washed his hands. They're very dirty.
8. Mum'sreally angry. We haven't tidied our room!
9. I can't play with my friends this evening. I haven't finished my homework.
10. I haven't visited New York for three years.
11. Where's Alison? We haven't seen her since yesterday.
12. Dad hasn't taken a holiday since last Augutt.
13. John hasn't played the violin since he was in school.