英语翻译Why,the blackboard was not a blackboard at all,It was th

英语翻译Why,the blackboard was not a blackboard at all,It was th It was ___ who wrote those words on the blackboard. Look at the blackboard 句子:Was there anything between the blackboard and the noticeb 英语翻译Later ,the bird was sitting in a tree.It did not know th who cleaned the blackboard yesterday?--Mary( )单选A.was B.clea pleace ____ look at the blackboard.   a.not   1.blackboard,it,is,a,the,wall,on(.) 2.it,is,blackboard,a,on, look at the blackboard,please. Please ( )(look) at the blackboard At the school gate stands a blackboard,__reads "Welcome Back blackboard