Tom,you are so lazy!This work------hours ago.A.should finish B.must have finishedC.should have been finished D.might have finished这题为什么选c而不选B了?

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/03 14:22:24
Tom,you are so lazy!This work------hours ago.A.should finish B.must have finishedC.should have been finished D.might have finished这题为什么选c而不选B了?

Tom,you are so lazy!This work------hours ago.A.should finish B.must have finishedC.should have been finished D.might have finished这题为什么选c而不选B了?
Tom,you are so lazy!This work------hours ago.
A.should finish B.must have finished
C.should have been finished D.might have finished
这题为什么选c而不选B了?

Tom,you are so lazy!This work------hours ago.A.should finish B.must have finishedC.should have been finished D.might have finished这题为什么选c而不选B了?
B是主动式,C 是被动式.本句要用被动.

C. should have been finished.

因为这是语法问题!
我们老师说这是固定搭配!