关于从句中的一般疑问句用陈述语序的问题

问题描述:

关于从句中的一般疑问句用陈述语序的问题
Could you let me know__yesterday?
A why did you come late?B why you come late?
为什么选B?我想知道用陈述语序的具体原因.越详细越好,

why you come late 这句话作know这个动词的宾语,是一宾语从句,所以用陈述语序.如This book will show you what the best CEOs know.Can you figure out what the poet really means in this poem.Do you know whose ...