---- I’ll be away on a business trip. Would you mind looking after my cat? --- Not at all. ____.
If you really want yourself to be in good health, you must ___ always ___ so much.
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.