But the blackboard moves faster,he can't keep up with it.

Our blackboard is（）,but the wall 英语翻译He looked ( )at the blackboard but could ( ) see anything l _______ the blackboard but l couldn't _____anything I'm()on the blackboard()里填write 还是writing The wall of our classroom is white, but the blackboard is b-------.------填空 jane（）the blackboard but could not（）the words clearly. Look at the blackboard clean the blackboard The blackboard is b_______t They ----------(look )at the blackboard,but they couldn't ------(see) anything .是不是looked,see? But the blackboard moves faster,he can't keep up with it. but he can see anything.he is looking at the blackboard carefully,but he can h_____ see anything. 改错Can't you see the words on the blackboard?No.But I don't know the answers to it. He looked hard at the blackboard but could not ____(see) the words clearly如何确定是否是过去式, please look ----- the blackboard.介词 clean the blackboard的意思 Let me clean the blackboard look at the blackboard,please.