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The market is very (crowd) on the weekends. Many people hang out there.2. Could you please ____( 1. The market is very (crowd) on the weekends. Many people hang out there. 2. Could you please ____ (not smoke) here? 3. It's (polite) to laugh at others. 4. My father told me that the light (travel) faster than the sound. 5. In Newtown, there is a ____ (fascinate) science museum.