—Tom, it seems that you haven’t cleaned your bedroom the whole week .—You didn’t come in around 10 yesterday morning; I ________ it .
You may use the book as you like, _______ you keep it clean.
"Do you have any clothes to ______, Tom?" mother asked.
When will you _______ me the money that was borrowed?
I insisted that he_______ at once.
I looked everywhere in the house ______ a key that had been lost.