单项选择题
Usually the teachers will be busy () the test papers after an examination.
A.grading B.naming C.ranking D.grouping
单项选择题 The problem, according to the experts, is () we should do with the salty land.
单项选择题 As we all know, the government is now making every () to set up a harmonious society.
单项选择题 同样多的货币在某地区今年比去年少购买10.71%的商品,则该地区此商品的零售价格相比去年上升()。