Example with "call it a day"

[Limana]

English Idioms and Expressions, Intermediate level

ESL/EFL Test #5 "As happy as the day is long", question 4

I think the time has now come when we'll simply have to call it a day.

(a) stop trying
(b) stop thinking
(c) stop working
(d) stop going

English Idioms and Expressions, Intermediate level

ESL/EFL Test #5 "As happy as the day is long", answer 4

I think the time has now come when we'll simply have to stop working.

Correct answer: (c) stop working
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can you give a example (thank you)?

Limana

[Mister Micawber]

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After 8 hours on the job, I called it a day and went home.
.
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Native English teacher at Mister Micawber's