I remember _________ the doors when I left the house, but I forgot _______ you about that so that you didn’t need to worry.
—Mary was being badly treated when John happened to pass by and helped her out. —I think it was not a pure ________but had been well planned.
Huge quantities of information ________available on the internet, but whether the information ________ reliable needs to be further proved.
Had it been possible I would have gone to the movies, but I _______ busy.
Don’t be too general. Please give a ________suggestion on how to deal with this difficulty.
You are allowed to go out______ you promise to be back before 11 o'clock tonight.