S ome people love pigeons (鸽子) , and other people hate them. T he people who love pigeons enjoy feeding them. T hese people like to see birds in cities. P eople who hate pigeons say the birds are dirty and can be dangerous. T hese people don ’ t enjoy seeing birds in cities. C losing Sentence Missing . a. However, you can still see lots of pigeons in cities. b. Children should be careful around pigeons and squirrels. c. Pigeons are loved and hated, but they go on living in many cities. d. Different people have different ideas about pigeons. __________ is the closing sentence that sums up the main idea. __________ is theclosing sentence that expresses an opinion about the topic.