英语 根据中文提示完成句子 (24 20:39:1)

英语 根据中文提示完成句子 (24 20:39:1)
几首歌曲过后是中场休息.
After ( singing some song                                                              ) ,There was a (break).
他们一个月前就开始筹办这次慈善义演了.
They ( have worked on )the charity show one month ago .
我妈妈的工作是每天打扫街
My   m um's joy is (cleaning up the streets) every day.