1. The drunkard staggered（蹒跚）from the coffee shop and clung to a lamp-post.
2. The hitch-hikers reached the town after a long walk and plodded（迈着艰难的脚步行走；跋涉）wearily to the hotel.
3. The man whose wife was expecting the first baby was pacing（踱步）nervously up and down the hospital corridor.
