To improve the quality of our products, we asked for suggestions had used the products.
Nobody noticed the thief slip into the house because the lights happened to__________.
—What do you think we can do for our aged parents? —You __________ do anything except to be with them and be yourself.
— My cat’s really fat. — You __________ have given her so much food.
— What does the sign over there read? —“No person __________ smoke or carry a lighted cigarette,cigar or pipe in this area.”
I told your friend how to get to the hotel, but perhaps I __________ have driven her there.