he could not tell me()his book 说下理由感激
问题描述：
he could not tell me()his book 说下理由感激
where he had put
where had he put
where he has put
where has he put
还有一道：who is the man（）is giving the speech
which that who whom 选择哪个?
答
where he had put 括号里填一个从句,应该用正常语序,而且由could可知,用过去时
that which不能指人,who和提问词重复,whom是宾格,此处应该填一个主格