Uncle Wang16 in a bookshop in the middle of the city. The shop is not far from17 home. It is one kilometer away. So Uncle Wang18 goes to work 19 bus. He usually goes 20 there by bike, sometimes on foot. It takes him twenty minutes to go there by bike and forty minutes 21 foot. Today his bike22 work, he must 23 there. He leaves 24 seven fifty. His work begins at eight thirty in the morning 25 finishes at four forty-five in the afternoon.