Flying foxes have fights____.
A.to occupy the best resting places
B.only when it is dark
C.to protect their homes from outsiders
D.when there is not enough food
正确答案是D
Flying foxes have fights____.
A.to occupy the best resting places
B.only when it is dark
C.to protect their homes from outsiders
D.when there is not enough food
正确答案是D