单项选择题
A. He inherited some money from his parents. B. His uncle died several years ago. C. He will certainly invest some of his money. D. He wants some extra money available for when he retires.
A. Leave them to a baby-sitter. B. Leave them in a day-care center. C. Leave them with other children with a care of an adult. D. Leave them in a kindergarten.
A. Sell stamps and envelopes. B. Go to the bank. C. Look for an off-campus post office. D. Go to the student union building.