I think she can be the member of the school team next year.
I think she can join the school team next year.
I think she can take part in the school team next year.
以前做这些题的时候觉得没什么,现在长大了觉得出这种题的老师大脑都是进水了,你要是让外国人来说,他能说很多同义句出来!