Поставить глаголы в Present Perfect Tense, ГЛАГОЛЫ--be,win,lose,(not talk),cry,teach,live,leave,study.

Present Perfect Tense,--
это настоящее совершенное время в английском языке. Оно обозначает действие, которое завершилось в настоящий момент времени.​

have/has been

have/has won

have/has lost

haven't/hasn't talked

have/has cried

have/has taught

have/has lived

have/has left

have/has studied

Объяснение:

A. when peter was a child, he had two drawing books. one of  them was (larger) than the other. his elder brother bought the  (largest) one for him. peter liked it (better) because the drawings in it  were (large) and simple. he drew something every day. each new  day his drawing was (better) than the one he had made the day be­  fore. the last page was much (better) than the first one.  b. after graduating from the institute mike went to siberia to a  small industrial town. it was (more difficult) for him to begin his work as  an engineer than he thought that it would be. he moved to ( more  important) city than the first one. he was not (more successful) there than be­  fore, however, and sometimes he was even (unhappier). however, he  was (happy) about one thing, he was becoming a (useful) specialist.  c. new york is the (largest) city in the us. perhaps, with all its  suburbs (пригород), it is the (largest) city in the world. it is one of  the (most important) industrial cities in the country. some of the (oldest) and historic buildings are there. some of the buildings in new york city are the (high) buildings in the whole world. new york city is not only the (largest) city in the us; it is also the (most important) industrial center. perhaps, the (most expensive) office buildings in the world are there. it has the (greatest) number of factories, the (largest) banks and post offices. it sends out many letters and receives the (heaviest) mail bags. it is truly the (most important) business city.