I will go on with the experiment unless my mother _____ me to stop.
---- Peter, can you tell me the differences _____ the four words?---- Sorry, I don’t know.
She _________ for ten years and now she has a lovely daughter.
Do you have _____ to say about your family?
A man _______ a hat is fishing on the sea.
I had trouble finding out the answer _____ the question.