My parents are busy, so I always every Sunday cleaning the house.
A. take
B. spend
C. pay
D. cost
网友回答
A. take
(答案→)B. spend
C. pay
D. cost
解析：cost“花费”，物作主语；spend人作主语，spend sth（in）doing sth.或spend sth on sth；pay支付，常用pay for。take花费，一般用 it作主语；本题中主语是I，人作主语，且符合spend sth（in）doing sth.的句型，故用B.