单项选择题
A. the different use of bicycling B. the important use of bicycling C. the influence of bicycling on economy D. the part bicycling can play in economy
A. Because she gets bored with her demanding work. B. Because she gets bored with the naughty baby. C. Because her husband is too busy with his work to take care of her. D. Because she gets bored with the house chores that repeat day after day.
A. Going to work on time whether getting enough sleep or not at night. B. Taking his neighbors to the court. C. Taking more sleeping medicine at night. D. Seeing a doctor.