I need to go back home before I money.
A. is running out
B. run out
C. have run out of
D. is running out of
网友回答
A. is running out
B. run out
C. have run out of
(答案→)D. is running out of
解析：本题考查时态。run out用完、耗尽，为不及物动词词组，要及物必须加of。根据句意可知是钱要用光了，故用现在进行时表示将来时态。故选D。