Keep a check on stationery supplies

[Zhangbaixiang]

Business English Lesson, Advanced Level

ESL/EFL Test #46 "At the Office (2)", question 8

They really need to keep a check on the stationery supplies as they've run ......... A4 paper once again.

(a) in to
(b) up for
(c) out of
(d) up to

Business English Lesson, Advanced Level

ESL/EFL Test #46 "At the Office (2)", answer 8

They really need to keep a check on the stationery supplies as they've run out of A4 paper once again.

Correct answer: (c) out of
_________________________

Sorry, I don't understand the whole sentence.

thanks.
_________________
I have a dream and I want to know the secret of time and universe.

[Torsten]

Well, let me rephrase the sentence:
They should reduce the consumption of office paper.

TOEIC short conversations: Two co-workers discuss a memo on dress code