Заполните пропуски правильной формой глагола be или have.
1.Their son ...a businessman. 2.He .. a cassette. 3.These boys ... student. 4.Much time ... often spent by my relatives together. 5.My friends will ... introduced to my parents by me tomorrow. 6.The museum ... visited by them last Sunday. 7.The examinations ... seldom passed by him well. 8.The library ... rarely visited by the student last year. 9.The cace was ... cooked by my mother all evening yesterday. 10.The man ...waiting for her at the moment. 11.She ... finished her work whem we came in. 12.I ... never been to the USA. 13.The letters ... already been written by her. 14.By 9 o'clock yesterday I ... already sent all the letters. 15.She ... just met her husband. 16.They ... not translated this text yet. 17.The sentences ... already ... written by them. 18. We ... student of the college. 19.There ... no magazines on the table. 20.there ... an armchair in front of the TVset.