when does he clean the blackboard?he always cleans the black
Did he clean the blackboard just now?的被动语态
he cleans the blackboard用所给的单词改写句子 给了never sometimes often
she sometiems cleans the blackboard.
clean the blackboard
mr zhang wants----- (he) to clean the blackboard的适当填空怎么做
mr zhang wants (he) to clean the blackboard的适当填空怎么做
---did he have clean the blackboard?sorry i don't know
填什么﹙﹚he -﹙clean﹚ the blackboard用适当形式填空
Did he clean the blackboard just now?改写成被动句
Tim is on duty today.Look!He _____ [clean]the blackboard.
He always keeps the house clean.(改为动词不定式)
He was always very black of the sunbath