is possible that everyone will become happy if they change the habit of unhappiness.A. It B. That C

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编辑：chaxungu时间：2026-04-27 02:45:38分类：高中英语题库

【题目】__________ is possible that everyone will become happy if they change the habit of unhappiness.

A. It B. That

C. This D. One

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【答案】A

【解析】句意：人们改掉不快乐的习惯，从而变得幸福是可能的。it在此处作形式主语，真正的主语是that everyone will…unhappiness。