英语句子在线改错one summer,I volunteered to working in a public libr

one summer,I volunteered to (work) in a public library.___
It was (a) very interesting experience during which I met a great___
(number) of persons and tried new things.____
I worked to help with the library's reading program 打钩
by entering the (names) of children who had signed up into____
the library's computer system.I also helped (teach) computer___
skills.(It) was necessary for them to master the skills.____
(When) the program was finished,I received a letter____
and small gifts (for) my services,and I was happy to have made___
someone's life () better through my efforts._____

1.One summer,I volunteered to work in a public library.（working改为work）
2.It was very interesting experience in which I met a great.（during改为in）
3.deal with persons and tried new things.（of改为wi...

1 把working 改为work.
2在very 前加a 因为是经历experience是就可数。
3deal改为number因为deal of后接不可数
4对的
5去掉into因为前面有enter 其有进入的意思。但是我又觉得name好像应该是要用复数。不确定
6taught改为原型。help后接原型。
7.that改为it形式主语。
8...