he spent an hour doing his homework las night 改成 lt____him an hour ___ ____his homeworklast night

问题描述:

he spent an hour doing his homework las night 改成 lt____him an hour ___ ____his homeworklast night

It 【took】him an hour【 to do 】his homework last night
不明白的再问哟,请及时采纳,多谢 !