As a teacher,you must be _k___about your subject.

As a teacher,you must be _k___about your subject. You must be good your subject. You must be a teacher,____ ____ you must remember----------.a.what your teacher said B.what i think you must be a teacher是什么意思 The teacher who takes your place won’t be as good as you are The teacher to take your classes won't be as good as you are when you do math problem you must be----- A as you can as ca You must listen to your teacher in_____ He must be a teacher,_____? He must be a teacher,___ i'd like to be a teacher as you are.as后可以接句子?