填空题 Although Peter has been laughed a lot , he won"t give up his plan.
【正确答案】
【答案解析】laughed应改为laughed at[解析] 句中laugh是不及物动词，用被动语态时需要借助介词at来帮其构成及物的短语动词。句意：尽管彼得常被嘲笑，但他不会放弃他的计划。