中国化工行业发展前景:一个英语问题
来源:百度文库 编辑:查人人中国名人网 时间:2024/05/12 04:42:22
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