—Did you dare to go out at night when you were a little child?— No, I didn’t. I don’t have the ______ to go out alone at night even now.
---- ________ did you _________ your old newspapers? ---- I sold them.
---- Be quick. I can’t wait _________. ---- OK. I’m coming.
I will never forget that terrible accident _______ it happened so long ago.
---- I think science is more useful than art. ---- I disagree. I think art is _________ science.
---- Do you know how to prevent the A/H1N1 flu? ---- You can ask the doctor for some ________.