1) at that time, when i'm 25, people will have a good education2) by the time when i will be 25, the earth will be contaminated3) while we do not pollute the planet, our people will not have problems.первое- while the people in our cities will not litter, they will not do harm the planet.второе- while the people in our cities, they have to worry about the cleanliness of the city and the planet.until very dirty should not walk, so we will take care of the planet and the city to monitor the purity
я думаю,что,нужно так)
millions of people all over the world are fond of sports and games. sport is very important in our life. there are many proverbs about sports and health. for example: « health is above wealth » and « a healthy mind in a healthy body ». sport is popular with children and grown-ups because it helps us to keep fit, look slim, be cheerful, active and disciplined. it makes our body flexible and increases blood circulation. there is a great number of sports facilities in moscow ( stadiums, swimming pools, skating rinks, tennis courts). every school has a gym or a sports ground. we play indoor and outdoor games there. pupils often hold competitions and win a victory over another school team. we have excellent basketball and football teams in our school. we also run a race and show excellent results. as for me, sport is an important part of my life. in summer i enjoy playing badminton, football and volleyball. in winter i like skating and skiing. frankly speaking, i*m not keen on sport struggle. i prefer playing basketball to watching. my favourite sport is an acrobatic. i do acrobatic for 4 years. this sport is for active people because you must jump various jumps. you must be strong, too because acrobats are usually training in pairs and groups. sometimes i have competitions. these are among the most important days in my life. i train for three or four hours three times a week. when i come to my training, i warm up firstly. if i stretch when my muscules are cold, i might do myself an injury. then i begin working in pair. since i began doing acrobatic i achive my aims. i can do many difficult jumps, different tricks and i became strong. the more i train the better i become. practice makes me perfect. in a word, sport gives me a lot of joy and pleasure. it makes me more sporty and cheerful.
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Всавьте say или tell в нужной фоорме 1) i hope everything will be ok "she in a tired.2) " you about it two months ago " coldly.3)you what to do.4)stand up, children, : "good morning, mr brown".5)what did )what did she to him? 7)what did this? 8)what did that? 9)you have anything about that.