—How will your father come and visit our school ________Monday mornings,
—He will get here _________his car.
A:in; on
B:in; by
C:on ; by
D:on; in
下列化肥属于复合肥料的是( )
①是基于未来我国经济社会健康发展的考量
②通过实践改变人口增长规律优化人口结构
③是调控人口数量和应对老龄化的正确选择
④将有效解决我国劳动力资源严重不足问题
How many pills should the woman take at a time?