A．couldB．willC．mustD．may—Julia was angry with me. —I am……

单项选择题Jack contributed fifty dollars, but he wishes he could contribute______.

单项选择题The soldiers______to rescue those still alive the moment they got to the flooded village.

单项选择题By the end of the next year she______here for eight years.

单项选择题—Can the project stop the wastes flowing into the river —______Otherwise, it will be a disaster sooner or later.

问答题简述班级管理工作的基本内容。