Question

【题目】I didn’t understand ______ so much time on computer games.

A. why does he spend B. why he spends

C. why did he spend D. why he spent

Answer 1

【答案】D

【解析】句意：我不明白他为什么花这么多时间玩电脑游戏。本题考查宾语从句，注意语序用陈述句的语序，故排除A/C。结合句意可知，时态用一般过去时。故选D。