This volunteer work _______ us seven hours last week.
问题描述:
This volunteer work _______ us seven hours last week.
A.spends
B.spent
C.takes
D.took
答
D
做某事(或用it指代) take / cost sb.多少时间
spend主语是人,sb.spend 多少时间 in doing sth.或 on sth.