1образуйте три степени сравнения: fast expensive quickly

Fast-faster-the fastest
Expensive-more expensive-the most expensive
Quickly-more quickly-the most quickly

Fast - faster - the fastest
expensive - more expensive - the most expensive
QUICKLY - more QUICKLY - the most QUICKLY

2). Why do people prefer fast food? Firstly, it is a good chance to have a snack when you do not have enough time. This food is cooked very fast and you don`t need to wait for a long time being hungry. Secondly, fast food is not expensive and you can buy it almost everywhere. If you want to eat you don`t have to pay a lot of money for it. Thirdly, fast food is tasty and nourishing.

Перевод:

Почему люди предпочитают фаст фуд? Во-первых, это хорошая возможность перекусить, когда у тебя нет достаточно времени. Эта еда готовится очень быстро и вам не нужно ждать долго и быть голодными. Во-вторых, фаст фуд не дорогая еда и вы можете купить ее везде. Если ты хочешь кушать, тебе не надо платить много денег. В-третьих, фаст фуд вкусна и питательна.

1). You should sleep well.(ты должна хорошо спать).

I love you. You should too!(я тебя люблю. И ты должна меня любить).

You should be working.(ты должна работать)

Hello! I am a student. I should get up early every morning. But I can't. Because I go to bed too late. So I often get up too late. And, as a result I'm always late to my classes. 
After one or two lections I go to the canteen. I have lunch there. Then sometimes I go to my job. But sometimes I again go to the classes. 
The teachers say to us do some many homework task! But I try to do all of them!
After classes or during them I should work. I am waitress. I work in the pub "Long road". This pub is in the centre of the city. 
After my job I get home. Then I cook supper for me and my friend. We live together. After that I have a shower. And I should to do my classes. So I do it untill 2 or 3 a.m. And then I sleep on the table or under it.