Question

I still remember that terrible accident a few days ago, ____ more than 20 pupils were killed.

A．where

B．that

C．on which

D．which

Answer 1

A

考察从句连词选择。该句为定语从句，先行词为accident，在从句中充当状语，where="in" which
句意为我仍然记得几天前发生的事故，在事故中有二十多个学生死亡。