. __________ in Hangzhou station for two hours, the old man eventually caught the last train to go back to his home in Huangyan.
A. Waiting B. To wait C. Having waited D. To have waited
31. It’s not reasonable to regard all football fans as trouble makers — it’s only a few of them who are to blame for the violence.
A. potential B. various C. illegal D. adequate
. Life is like a long race __________ we compete with others to go beyond ourselves.
A. why B. where C. that D. what
Water may __________, while time never stops.
A. keep up B. make up C. turn up D. dry up
. Jack is always occupied __________ his work, which makes him have no time to stay with his family.
A. by B. for C. with D. to
Was it in the grand closing ceremony __________ people bathed themselves in a sea of abundant happiness?
A. that B. what C. which D. where
