题目内容：

此句子有错吗?i could check that what you want to say is logical and it would also give you
a chance to practice speaking.
我想问的是 that what 这里,

优质解答

没有错~that 引导一个宾语从句（what you want to say is logical ,这句是check的宾语）,what引导一个主语从句（what you want to say是宾语从句what you want to say is logical 的主语 ）