我曾在一个残疾儿童之家帮过忙。是今年夏天的事。

I have done something in a disabled children's home. I did it during this summer holiday.

youdao

我曾在一个残疾儿童之家帮过忙。是今年夏天的事。

I have done something in a disabled children's home. I did it during this summer holiday.

youdao