I often have conversations with John over ______ telephone, while I keep in touch with Tom by ______ letter.
Can you ________ your sister from that group of girls?
As I ________the house,I noticed a light upstairs.
It is worth considering what makes “convenience” foods so popular,and ________better ones of your own.
________left the door unlocked must be held responsible for the accident.
—Why don't we take a little break? —Didn't we just have________?