Our food supply ________. We'd better ge
题型：选择题
问题：
Our food supply ________. We'd better get some in case there's none left.
A．is running out
B．has run out of
C．is using up
D．has used up
Our food supply ________. We'd better get some in case there's none left.
A．is running out
B．has run out of
C．is using up
D．has used up