Упражнение 127. Прочитайте, определите границы предложений Спишите, вставляя пропущенные знаки препинания в конце предложений. Подчеркните грамматическую основу в каждом
предложении.
Люди всегда заботились о точном времени, первые
часы появились давно, но мы не знаем их изобретателя
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don't greet. don't wash floor. don't help mum. don't answer phone calls. not вытерай a dust from books. don't do homework.

my school day is started in 8.30.i have five or six lessons a day.i go to school six day a week.my favouirite subject is english,but i like all  subject.i have five english lessons a week.i have five russian lessons a week.i have one art lesson a week.i have   one lesson a week of music.i study well.all my classmates are my friend.i like my

  last summer, i went to turkey on holiday with my brother. we were staying there for two weeks. i didn't like the hotel but the beach was  fantastic. i did different things - swimming, windsurfing, diving. we met lots of young people

science

science can be found around us. science is the way we discover information about world, study this information, and use this information in many different ways. everything in the world that we use now once was made by science. everything starts with discovery and then study. today we are using knowledge of an age science, which can open a whole new world. for instance, chemistry science discovers elements and using these elements in chemical bonding. physics science uses discovered laws and properties such as gravity, motion, force, speed and so science goes beyond chemistry and physics, it's all around us. science is to discover information about natural world and space, to help us  understand our existence.