Teachers have to constantly update their...Teachers have to constantly update their knowledge in order to maintain their____A competence B intelligence可是我觉得B也可以啊 解释为专业知识.为啥只能选A

What (to have) your teachers got? The teachers always have------(many,much)work to do. Students have to listen teachers in class.改错 Teachers like to have students discuss a__ themselves in class . what should teachers do to make everyone have aair chance? kids have to do this but teachers don't usually have to do it.答案 Kids have to do this but teachers don't usually have to do it的意思 You con't just sit there and wait for life to come it you.You have to go get it. It's very important for teachers to have discipline in the class.中的have discipline是什么意思? 选用con,could,may,must,shall,will,would,con’t,mustn’t,needn’t,have to填空.急选用con,could,may,must,shall,will,would,con’t,mustn’t,needn’t,have to填空.1.There is air around us,though we________see it.2.You mother is getting better we are going to have a party to用庆祝填一个词，teachers'day Teachers have to constantly update their knowledge in order to maintain thei You don't __(necessary)have to go to the teachers' office要把理由说清楚. I con't get enough sleep because I have too much homework to do.（对划线部分提问） If you con't find the correct answer,you'll have to make a careful s_______ of the problem. Teachers ( )love their students. A.must B.should C.have to选哪个? We have our classes in one room and the teachers come to us 如何翻译 改错Look the boy.His eyes are blue.Students have to listen teachers in the class.