问题补充：
—How long did the trip from Rugao to Nanjing you?
— About three hours.
A. cost
B. take
C. spend
D. pay
答案：
A. cost
(答案→)B. take
C. spend
D. pay
解析：句意：从如皋市到南京的旅途你用了多长时间？大约三小时。take花费，多指花费时间，常是物作为主语，构成It takes sb some time to do sth 某人做某事花费多长时间的句型，故选B
