问题
选择题
—He was early drowned in a pool.—Oh, when was ______ exactly?
— It was in 1983 _______ he was swimming with his friends.
A．this; that
B．that; when
C．that; that
D．what; when
答案
答案：B
考查代词。第一空用that指前面所提到的内容；第二空用when引导状语从句，表示“当时他在和朋友游泳”。