我怕不想爱爱爱2020-12-07👍795 clean the blackboard 例句: 1、I have got to clean the blackboard before the teacher comes. 我必须在老师来之前把黑板清理好。 2、Tom, your task is to clean the blackboard. 汤姆,你的任务是擦黑板。 3、We often help the teacher clean the blackboard. 我们经常帮助老师擦黑板。 4、The teacher told me to clean the blackboard. 老师叫我擦黑板。 5、The teacher told him to clean the blackboard. 老师告诉他擦黑板。