Istik don't think you ever (to see) niagara falls.

1. will you   go for a walk with me? — i am sorry, i can't. i am doing my homework. i have not written   the english exercise  yet   . if you   wait   for me, i will   go with you in half an hour. i   want to go for a walk very much, because i did not   go for a walk yesterday. 2. don't go to nick's place now, he is   working. he will   finish  his homework at seven o'clock. if you   come after seven, he will be very glad. 3.did   pete   go to the cinema? — yes, i think so. he usually   plays in the yard at this time, and now he is not   there. 4. he was   reading a book at five o'clock   esterday.5. yesterday the children had done all their home­work before mother came home, and when she came, they were playing with the cat. 6. i   lost my key when i was playing in the yard yesterday. 7. ring me up as soon as you   come home. 8. where do you usually   take books for reading?