He never replied (to) any of my letters. 他从不回复我的信.
The children volunteer to help (at) the local old people's home. 孩子们志愿在当地老人家帮忙.
My mother is alaways busy ,but she took a day (off) last weekend.我妈妈总是很忙,不过上周末她休息了一天.
希望可以帮到你~
He never replied (to) any of my letters. 他从不回复我的信.
The children volunteer to help (at) the local old people's home. 孩子们志愿在当地老人家帮忙.
My mother is alaways busy ,but she took a day (off) last weekend.我妈妈总是很忙,不过上周末她休息了一天.
希望可以帮到你~