Around 2.5 billion people eat/are eating street food every day - from hot dogs in new york to spring rolls in vietnam. and this number increases/is increasing. in countries without a tradition of good street food, more and more stalls appear/are appearing. there is a good reason for this. you know/are knowing exactly what you are going to get. you see/are seeing and you smell/ are smeelling the foos before you buy it. it is also fresh-sellers usually cook\are cooking it right in front of you. do you feel/are you feeling hungry yet?

Eat/is increasing/appear/know/see/smell/are  cooking/do you feel

Teenagers all across the world enjoy different activities in their free time.  sport plays a great role in russian teenagers' lives. we are  connected with sport since our childhood, though we don’t even notice this fact, because we start to play different  games outdoors even when we are just 4-5 years old. many people go to arts school and take painting classes or learn how to play piano or violin. for example, there are a lot of people in my school who chose this type of activity. on the other side, some teenagers spend their time on useless things, like playing computer games and chatting online. but there's nothing we can do about it. moreover, you are easily addicted to this type of spending your time when you start doing it. some people say that they like to learn foreign languages. others say that they like reading books or enjoy leisure time with their friends and families. in fact, any type of leisure activity is fine - as long as it doesn't hurt you and as long as you enjoy it