问题
．—Stevecome back because the window is open．—Yes．but he _______left it open last night．
A:must have；might have
B:might have；can’t have
C:can have；should have
D:might；must have
B:might have；can’t have
C:can have；should have
D:might；must have
正确答案是：
同类题型
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