A-A+ He's watching TV？ He's ______ to be cleaning h 2022-08-06 19:11:13 问答库 阅读 180 次 问题详情 He"s watching TV？ He"s ______ to be cleaning his room.A．knownB．supposedC．regardedD．considered请帮忙给出正确答案和分析，谢谢！ 参考答案 正确答案：B解析：besupposedtodosth.构成一固定用法，意为shoulddosth.。
