Running out of patience?

[kalim]

Test No. incompl/inter-1 "Applying for that Job", question 8

You must try and hurry up because my patience is ......... out.

(a) running
(b) racing
(c) pacing
(d) turning

Test No. incompl/inter-1 "Applying for that Job", answer 8

You must try and hurry up because my patience is running out.

Correct answer: (a) running
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please let me know the answer and why

[Torsten]

Hi Kalim,

Thank you for asking this interesting question.
If you run out of something (for example of patience), you have no more left of it. Here are some more examples:

When I was on vacation in Las Vegas I was rapidly running out of money.
Please hurry up, we are running out of time.
If the world is running out of oil we have to find alternative sources of energy.

Kalim, I hope you are not running out of grammar questions.

Regards
Torsten
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Test Of English for International Communication
TOEIC Preparation & TOEIC Vocabulary