问题
选择题
You were stupid to climb up that big tree. You ______ yourself.
A．must have killed
B．can have killed
C．should have killed
D．might have killed
答案
答案：D
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You were stupid to climb up that big tree. You ______ yourself.
A．must have killed
B．can have killed
C．should have killed
D．might have killed
答案：D