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Grammar Test - Phrasal Verbs - Let 
Grammar Test - borrow/lend 
Grammar Test - Phrasal verbs - Slip 
Grammar Test - Abbreviations 
Grammar Test - have/has 
Grammar Test - rob/steal 
Grammar Test - close/shut 
Grammar Test - if/unless 
Grammar Test - good/well 
Grammar Test - Phrasal Verbs - Sign 
Best Sports Team Nicknames
Benefits of Dill Seeds
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Benefits of Cinnamon
Alertness Memory and Cognitive Development
This hard to verify German study cited in this article those taking Cinnamon improved their response times and memory recall. While not scientific, our personal experience suggests pretty good results in alertness and concentration.