2. an organization that collects money to help people who need it;

3. a person who spends a lot of time on a particular interest & who is not popular and fashionable;

4. the action of buying something;

5. things that a shop keeps ready to sell;

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You 1)..can't... be serious about leaving home!. There 2) ..must..be some problems with your family, but there 3).might.. be another solution. You 4)..could...try talking to a friend or a relative. You 5)..must..have some aunts or a cousins who can help you. You 6)..may...find that discussing the problem all together is better. Your parents 7)..can't..really be as angry as you think; they 8)..may..be upset but they 9).must..realise why you're so unhappy. I suggest you try talking to them again - you 10).may..be surprised.

Dear Andrew, 
Thanks for your letter. It was great to hear from you again. 
You know, it's good that you asked me about such type of transport as a bicycle because I am the big fan of cycling. To be honest, bicycle riding is very popular among teenagers in my city. However, it doesn't have any special tracks for a bike ride so the better place for them is parks. I would have a great pleasure to take a part in a cycle racing because it can give me lots of fun, adrenaline and, also, a big experience. 
Anyway, hope you and your family are fine and I also wish you good luck with your concert! Write soon. 
All the best, 
Vika