where is my pen? I ＿＿＿ it．A. might lose B. must have lost 选B.但A为什么不可以?也是表推测啊
问题描述：
where is my pen? I ＿＿＿ it．A. might lose B. must have lost 选B.但A为什么不可以?也是表推测啊
答
是时态的原因.a的话可能已经丢失, 应该是might have lost