题目：
. Lion: Want to have a fight, little dog?
Dog: No. I don’t want to fight an animal that is ______extinction(灭绝). My master told me that we should protect endangered animals.
A．on the edge of
B．in the way to
C．about to
D．due to
答案：
答案：A
. Lion: Want to have a fight, little dog?
Dog: No. I don’t want to fight an animal that is ______extinction(灭绝). My master told me that we should protect endangered animals.
A．on the edge of
B．in the way to
C．about to
D．due to
答案：A
