please look at the blackboard and （）your books

please look at the blackboard and （）your books Please （）up and look at the blackboard look at the blackboard,please. Please ( )(look) at the blackboard 填空 the teacher__the blackboard and said:"Look at here,please please look ----- the blackboard. Don't -------(look) at your books ,please look at the blackb Look at the blackboard look at the blackboard,please.改为否定句的答案 please look at the blackboard(改为同义句) the please blackboard look at连词成句 Please look at the blackboard什么意思啊