神马品牌网mac下安装php开发环境:一个英语问题
来源：百度文库 编辑：神马品牌网 时间：2024/05/06 08:37:31
I didnt see my pen.It -------.
A.might lose
B.would have lost
C.should have lsot
D.must have lost
A.might lose
B.would have lost
C.should have lsot
D.must have lost
D.....
must表示揣测的问题..
偶们才学.
D must表示肯定揣测
D.must have lost
D.must have lost
必须清楚..是已经丢了
D~表示推测用MUST~~~~~~~~~
d