The problem_______ him half an hour to solve last night.A.takes B.took C.cost D.spent
问题描述：
The problem_______ him half an hour to solve last night.A.takes B.took C.cost D.spent
答
took
It takes sb.sometime to do sth.某人做某事花…的时间；做某事花费某人多长时间为什么有人说是cost,对不对