根据要求完成下列句子。 1. Mr. Smith often flies to Tokyo for the meeting. (同义句转换) Mr. Smith often  ______ ______ ______to Tokyo for the meeting. 2. His factory is 10 miles from his home. (对划线部分提问) ______  ______ is his factory from his home? 3. My mother usually takes the bus to work. (变否定句) My mother ______ ______  ______the bus to work. 4. I usually spend 3 hours doing my homework. (同义句转换) It usually ______ me 3 hours ______ ______  my homework. 5. He goes to school by No.103 Bus. (同义句转换) ______  ______ the No.103 Bus to school.