以_____为主组织学生进行学习, 这是学校教育为小学生精心设计的一条认识世界的捷径。
You can _____ some bottles of wine, or some chocolates, or a bunch of flowers.
— ___________________
— Once or twice a week.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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