How can you use a single parallel sentence to combine the sense in these two sentences? i regularly drudge five days a week. i habitually sleep through the weekends. i am used to drudging five days a week and sleep through the weekends. i am used to drudging five days a week and sleeping through the weekends. i am used to drudge five days a week and to sleep through the weekends. i am used to drudge five days a week and sleeping through the weekends.