题目内容
I think I had at least a billion tests, including _____ in which they cut out a piece of muscle from my leg and looked at it under a microscope.
| A.that | B.the one |
| C.it | D.one |
D
本题考查one/ it/ that/ the one的指代用法。One是泛指,指可数名词单数,that,the one,it都是特指。本句意思指包括其中一次,是泛指的概念,所以选D
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