Mother said that doing some housework ___ much time every dayA.took B.spent C.cost D.paid
问题描述：
Mother said that doing some housework ___ much time every day
A.took B.spent C.cost D.paid
答
A. it take sb. some time to do sth.
答
C 花费时间
答
C!
doing some housework做从句的主语,cost在这里表示主语耗费时间.