4.-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
正确答案是A
4.-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
正确答案是A