You must look c____ in class.

You must look c____ in class. you must be () in class Before you c____ the road,you must look left and right you must be active in class.如何翻译成中文? You must look( )it look out!you must In class ,we must listen to the teacher and look at the b___ Everyone in our class must look after our own things well.怎么 Let me look at you c____.You aren't hot. We are in the same class.We are c____ there was a chess c____ in our class yesterday afternoon You must be a_____in class