The first thing_______my brother is going to do this afternoonis _英语解答

The first thing_______my brother is going to do this afternoonis to write a letter.
A which B that C why D who

人气：158 ℃　时间：2019-08-18 23:40:42

解答

B that why1.这是一个定语从句，先行词不是人，所以排除C why D who.2.当先行词被序数词修饰时，关系词只能用that，不能用which（这个要记）first 是序数词