[单选题]_______ he has failed in the examination is all written on his face, so probably it’s best not to bring the subject up when you have dinner tonight.(1分)
AWhat
BThat
CWhich
DWhether
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参考答案
试题答案：
B
答案解释：
解题思路： 本题考查主语从句的用法。本题意为“他考试没通过都写在脸上了，你晚上跟他一起吃饭时最好别提这个话题”。题干中“_______ he has failed in the examination”充当句子的主语，故用that作引导词，正确答案为B）选项。
