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He has a lot of books at home. he writes a letter and goes to the post office to post it. she writes an exicise on the blackboard and we write down it  in our notebooks.
she buys a picture and doesn't show it to us.
the teacher gives us some poems and we learn them by heart.
she buys a cup but unfortunately breaks it.
she has finished work by 3 o'clock
i can not get into the room I have lost my key
время не изменяла, желая нужно кое где. но в задании не написано поменять время