Last year, I usually spent a lot of time __my homework. And at the same time, I paid some money

题目简介

Last year, I usually spent a lot of time ____my homework. And at the same time, I paid some money __

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

题型：单选题难度：中档来源：不详

spend +时间+doing sth或on sth，而pay ···for，表示为··付账。故选答案为B