题目内容：

I have no more bags for you ,because all____been____
A has, run out
B have run out
C has ,used up
D have ,used up

优质解答

B all(bags) 是复数,所以不能用A C
若用D的话,则要用被动语态,have beem used up
run out 的主语一样是物,没被动语态,但是如用run out of 则主语是人,有被动语态