问题

Have we _______ food?—yes, _______We’d better buy some
A: run out of; we have run it out
B: run out of; our food has run out
C: run out of; out food has been run out
D: run out; our food has run out
B: run out of; our food has run out
C: run out of; out food has been run out
D: run out; our food has run out
正确答案是: