A delight can be keen.Logical formLearned from58 sentences. Readers can be keen.Logical formLearned from57 sentences. A fisherman can be keen.Logical formLearned from56 sentences. A person can be keen that something-is-the-case.Logical formLearned from56 sentences. A hunter can be keen.Logical formLearned from56 sentences. A wind can be keen.Logical formLearned from55 sentences. A concern can be keen.Logical formLearned from55 sentences. A (football fan) can be keen.Logical formLearned from54 sentences. A man can be keen.Logical formLearned from53 sentences. A (fashion sense) can be keen.Logical formLearned from52 sentences. A skier can be keen.Logical formLearned from50 sentences. A (tennis player) can be keen.Logical formLearned from50 sentences. A curiosity can be keen.Logical formLearned from50 sentences. An amateur photographer can be keen.Logical formLearned from50 sentences. (Business acumen) can be keen.Logical formLearned from49 sentences.