Title: Punctuation - End Marks
Summary: Clever quizzes, charming characters explore rules for ending sentences
Pros: Great story, detailed lessons, and tough quizzes make for a great cross-training in grammar.
Cons: Lessons on abbreviations and capitalization are equally important but less clearly integrated into the app's central story.
Bottom Line: A thoughtfully designed, consistently engrossing tool for learning key grammar points.
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