题目内容
Last year, I usually spent a lot of time ____my homework. And at the same time, I paid some money ____ my musical classes.
A.to do, for | B.doing, for | C.and do, on | D.with doing, on |
B
spend +时间+doing sth或on sth,而pay ···for,表示为··付账。故选答案为B
练习册系列答案
相关题目