改错。 ( )1. How does you brother go to school? __________ A B C D ( )2. — How often is it from your home? A B C D —Two miles. __________ ( )3. Do you take your bike to work ? __________ A B C D ( )4. He often walks to school on foot . __________ A B C D ( )5. It takes her half an hour clean her room. __________ A B C D