问题补充:
It is playing computer games he spends so much time that he fails all the exams
A. which
B. what
C. in which
D. that
答案:
A. which
B. what
C. in which
(答案→)D. that
解析:考查强调句型和状语从句。句意“他花太多的时间玩电脑游戏,结果他的所有考试都不及格。”第一个that引导的是强调句型,本句还包含so... that句型。故选D。