they point out that spend too much time staying at home may jeopardize their relations with friends
问题描述：
they point out that spend too much time staying at home may jeopardize their relations with friends
这句话有错误码,主要是that后面的spend,要改成spending,还是怎样
答
that后边从句要有主语,就是spending.如果不加ing从句就有没有主语了 你是对的,你要信自己!