think 的过去式是thought,还是这句can要改成could ,
the children who live in poor area.
紧张nervous 是形容词,不需要didn't ,直接用not 就可以了
A lot of 用了两次,最好换一个,可以换成much / large sum of .
donated to the chaity,
Thanks for our friends' supports.不是thank for,不能缺少主语,支持是可数名词.
its改成it's,它的改成它是
take part in 后一般是接活动,而不是人,可改成take part in the activity
this 改成these,你前面用的是events ,
for the charity