Make questions for the underlined parts in the following sentences.
1. Most of my classmates go to school by bicycle.
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2. It is about three kilometers from my home to the nearest town.
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3. It is about 170 km from Ho Chi Minh City to Can Tho City.
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4. There are often traffic jams in the city centre during rush hour.
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5. Trung usually rides his motorbike very carefully.
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