So heavy is his _______ that he is as busy as a bee, unable to spare(抽出) even a day for his family in a month.
___ the invitation of Mr. Black, she attended the tea-party.
---Is this ___ man that you are looking for? ---Yes, this is ___ the man.
It'll be ten years ___ we have the chance of seeing each other.
--Did you ring him up this morning? ---Yes, but I couldn't ___.
It is strange that ___ little animal eats ____ many insects. A. such a , such B. so, so C such a , so D. so, such