改正下列句子的语法错误.(每句一处）
问题描述：
改正下列句子的语法错误.(每句一处）
His first question was if Holmes had arrived yet.
I will invite who wants to take part in my party.
最主要说明理由,答案不是重点,
上面是独立的2题.
答
2.I will invite who wants to take part in my party.缺先行词,可以把who改成 whoever.