【推荐1】Antonio was so________ (mercy) that he even showed mercy to Shylock. (所给词的适当形式填空)

【推荐2】As is known to all, Li Ping is ________ and she often shows ________ to the poor. (mercy) (所给词的适当形式填空)

【推荐3】You need to be ____________ (mercy) to your brother. He is just seven years old.

【推荐1】However, with huge amounts of water to use, it raised different ________ (environment) concerns. （所给词的适当形式填空）

【推荐2】He often speaks a few _________ (convention) remarks. (所给词的适当形式填空)

【推荐3】Mid-Autumn Festival, one of the most important __________(tradition) Chinese festivals, falls on the 15th day of the eighth lunar month, Oct 1 this year. (所给词的适当形式填空)