----You didn’t wait for Mr. Smith last night, did you? -----Yes, but we . He didn’t return home at all.
One ought _____ for what one hasn’t done.
I didn’t see her in the meeting room this morning. She _____ at the meeting.
You _____ to the meeting this afternoon if you have something important to do.
Alexander Granham Bell invented ___ telephone in 1876.
The little boy wishes to be ___.