—Why didn’t you come to the cinema with us last Saturday?—Oh,sorry.But I_____the film.
He said that he would write to us but so far we ___________ from him.
__________ good exercise.
I don’t know who invented __________ telescope, but I think it is __________ most useful invention.
Rarely _____________________ .
This is the only way we can imagine _______ the overuse of water in the students’ bathrooms.