In____review of 44 studies, American researchers found that men and women ____who ate six key foods daily cut the risk of ______ heart disease by 76%.
A warm thought suddenly came to me __________ I might use the pocket money to buy some flowers for my mother’s birthday.
These shoes look very good. I wonder __________.
—What did your parents think about your decision? —They always let me do __________I think I should.
Nobody believed his reason for being absent from class__________he had to meet his uncle at the airport.
—It’s thirty years since we last met. —But I still remember the story, believe it or not, __________ we got lost on a rainy night.