A-A+ He's ______ as a bellyacher -he's always com 2022-08-05 17:29:05 问答库 阅读 170 次 问题详情 He"s ______ as a" bellyacher" -he"s always complaining about something.A．who is knownB．whom is knownC．what is knownD．which is known 参考答案 正确答案：C解析：题型语法题。what引导名词从句作主语补足语。
