—He was nearly 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
—He was nearly 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
B
That，it都指那件事 第二句补充完整为 He was nearly drowned in 1983 when he was swimming with his friends.