题目内容:
The repairperson could not find the specific problem ___________ had caused the computer to crash.
A.how B.whom C.what D.that
参考答案:【答案仅供学习,请勿对照自行用药等】
答案解析:
The repairperson could not find the specific problem ___________ had caused the computer to crash.
A.how B.whom C.what D.that