请分析一下这个that从句是什么从句：A week later as my husband and I were preparing for
this year's Santa visits with my Mrs. Claus basket, we discovered a letter to
Santa from a young mother named Mary, who was ill and was asking if there was a
Santa and if miracles did happen that her...
...ts are going through crash courses to replace them.to replace them是目的状语or定语？A top UN official told senior North Korean figures there was an "urgent need" to keep channels open to avoid the risk of war, the organization says.这个句子跟上一个句子是一样...
...owing to his hard work 表面上看似乎作表语，但其实仍然起状语作用。以下两句中的 be 表示“发生”，相当于 has taken place，happened。这是be 的特殊用法之一。它的主语必须是“事件”名词，不能是“人”。看翻译：His
success is ow...
Since we were not planning to spend so
much on a duck any time soon, visiting them in one of these places—what I’d
call “mini-zoos”—seemed to be the perfect choice.这个句子中，what I’d
call “mini-zoos”是名词性短语，还是同位语从句？要怎么分析？
...师what is a few hours是what表强调的用法吗？但是我只知道what从句+is ，没这种直接就加is的...2.There are large forces which allure with all the soulfulness of
expression possible in the most cultured human.大都市有着巨大的诱惑力，能使用文雅人士的甜言蜜...