1 I was exercising so hard that my heart was
and my leg muscles were​

.1.-open the window.

-but i have opened the window.

2.i have seen the film.

3.he has opened the door.

4.they have cleaned the room.

We have three umbrellas at home. my sister has a large family. i have a lot of work to do today. he had very few friends in this town two years ago. she will have a nice dress tomorrow. these students have an english lesson today. they have no telephone in their flat. last autumn they had a lot of work in their garden.    у нас есть три зонтика дома.моя сестра имеет большую семью.у меня много работы сегодня.у него было мало друзей в этом городе два года назад.она будет иметь красивое платье завтра.у студентов сегодня урок .они не имеют телефона в своей квартире.осенью прошлого года у них было много работы в саду.