多项选择题
A.建立有则必纠的机制B.建立有责能纠的机制C.建立违反责任有人去纠的机制D.建立责任承担机制E.建立责任追究的协调机制
A.She wants to know who the students are.B.She wants to meet the president.C.She's not eager to greet the president.D.She's sure she has met the president before.