Yes, the passage is grammatically correct, but it could be improved for clarity and flow. The sentences could be rephrased to enhance the message. Here's a rephrased version:
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"Are you ready to become part of a community of Christians who are proud to share the Gospel of Christ? Would you like to connect your faith with fellow believers from around the world to spread the Gospel?
If so, we invite you to join 'ROOTED IN THE WORD.'
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