Mr.Smith gave me a very valuable present,________ that I have never seen.

题目

Mr.Smith gave me a very valuable present,________ that I have never seen.
A.one B.the one
please explain

答案

要是我选我会选one因为前半句Mr. Smith gave me a very valuable present这里用的是a,没有特指那个礼物而只是说给了我一个礼物；后面的one或者the one是做present的同位语,之后再用that引导的定语从句来修饰.而因为o...