The Blank is a challenging grammar lesson and exercise for kids. The lesson teaches kids the use of words "is", "am", "are", "a", "an", "at", "on", "in", "some" and "any" in simple sentences. The lesson is followed by an easy exercise in which kids have to complete the sentences using the correct words. Kids can practice sentence formation with hundreds of sentences and improve their grammatical skills. This game will also help kids enhance their English writing skills.