“How did the robber get in?” “______ an open window on the first floor.”
The house is too old. It requires ________.
The mother asked her son________.
After the examination,my teacher told me that failure _______the mother of success.
He told us he _______a concert________.
—I’d love to make friends with the boy ____ you think is easy to _____. —OK. I’ll introduce you to him at the party.