Keeping vs. keep

[Priscilla]

Test No. errors/elem-10 "Tell me about Yourself", question 10

As you know we live in a very fast moving world and keep one's job can sometimes be very challenging.

(a) live
(b) keep
(c) be

Test No. errors/elem-10 "Tell me about Yourself", answer 10

As you know we live in a very fast moving world and keeping one's job can sometimes be very challenging.

Correct entry: keeping
The error was: (b) keep

You have found the error but your entry is incorrect.
As you know we live in a very fast moving world and and keeping one's job one's job can sometimes be very challenging.
_________________________

where to use keep and keeping

[Torsten]

In this sentence keeping one's job is the subject that's why we use the gerund form.
_________________
Test Of English for International Communication
TOEIC Preparation & TOEIC Vocabulary