问题
选择题
--- He was nearly drowned once.
--- When was _____?
--- _____was in 1998 when he was in middle school.
A．that; It
B．this; This
C．this; It
D．that; This
答案
答案：A
A[解析]that 用于指代前面提到的事。When was that? 那件事是什么时候发生的？回答When was that时，要用it指代上文提到的事。It was in 1998 when he was in middle school.那是在1998年他在中学时。