Question

----- 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

Answer 1

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。