Поставьте артикли (а/аn,the ) заранее , вместо точек вставляйте артикли . mark twain is famous for his book "adwentures" 2) smiths have dog and cat 3)"is this your friend ? " "no, it isn't my friend ? it is my sister " 4) this is treе. tree is green. 5) i can see theree сheildren . children are playing in yard. 6) what's highest mountain in the world 7 ) he lives in paris. 8) he is economist. 9) earth goes round sun. 10) what strange girl !