Заполните пропуски, употребляя глаголы в present perfect или past simple. переведите предложения. 1.i … english since 1995. (to study) 2.we … english at school. (to study) 3.he … three hours ago and … yet. (to go out, not to return) 103 4.how many pages … you … yet? (to read) 5.i … home at 5 o’clock yesterday. (to come) 6.he … his work yet and is not ready to go with us. (not to finish) 7.from 1991 to 1998 he … as an economist. (to work) 8.i … busy all this week. (to be) 9.when he was an agronomist on the farm, he … twelve hours a day in spring and summer. ( to work) 10.where … all the students …? (to go) 11.last summer jim and jane … to the conference in berlin together. (to travel)