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be pleased with/ at/ to Ⅰ. be pleased with 对人/物，感到满意介词with后接人或物。 如： ① Both Mark and her mother were pleased with the girl. 马克和他妈妈都有喜欢这个女孩。 ② I wasnt very pleased with / at my exam results. 我对自己的考试成绩不太满意。 Ⅱ. be pleased at 对某事/物，感到满意。介词at 常与事物搭配使用。 He was very pleased at the news. 他对这个消息感到很满意。 Ⅲ. be pleased to 乐意； 因而高兴。to 不是介词，而是小品词。后接动词原形。如： ① I shall be pleased to go. 我将乐意去。 ② We are quite pleased to be working in this country. 能在这个国家工作，我们是十分高兴的。 be used for/ be used as/ be used by Ⅰ. be used for （被）用来做，强调用途或作用。 Ⅱ. be used as （被）作为而用，强调被当作工具或手段来用。 Ⅲ. be used by 被使用，by后跟人物，强调使用者。如： ① Keys are used for opening locks. 钥匙是用来开锁的。 ② Swim can be used as a noun. Swim可作名词用。 | 
