Word formation ast)isAmeribarelyEuropetraditifeed thSuppoworld:)ut4 10.5.2 Complete the sentences with a wordformed from the word in capitals.1 Building a human brain will be one of the greatest breakthroughs in historySCIENCE)2 Edison's greatest challenge was theof a practical light bulb. (DEVELOP)3 Taking a nap can improve ...(CONCENTRATE)4 One day, nano-robots may be used for theof serious diseases, (TREAT)efarminproducBritish:)insectHine p. . . . . .to :​

When I (rang) up my friend, he (was sleeping).When grandfather (was watching) TV, he (fell) asleep.When my friend (came) to see me, I (was doing) my homework.When I (was going) to the stadium, I (met) Kate and Ann.When Nick (rang) me up yesterday, I (was helping) mother.When the children (were walking) through the wood, they (saw) a fox.When I (came) home, my sister (was washing) the floor.When Mike (was playing) in the yard, he (found) a ball.When I (was drawing) yesterday, I (broke) two pencils.When I (met) Tom, he (was going) to the shop.When I (looked) out of the window, the children (were playing) hide-and-seek.I (went) to the theatre yesterday.At seven o'clock yesterday I (went) to the theatre.What you (did) at 5 o'clock yesterday? -I (was playing) the piano.When I (came) to school, the children (were standing) near the classroom.We (were playing) in the yard the whole evening yesterday.When I (was preparing) breakfast in the morning, I (cut) my finger.Last year I (went) to the United States. Did you go to Great Britain last year? - No, I (went) to France.What you (did) yesterday? — I (was translating) a very long article