Expression "Roused to external wakefulness"

[Jubil]

English Idioms and Expressions, Advanced Level

ESL/EFL Test #5 "Call it a day", question 10

I must not forget either all those very important people, without whom none of us could operate, who work behind the scenes.

(a) in the dark
(b) at the back
(c) in the evenings
(d) in the background

English Idioms and Expressions, Advanced Level

ESL/EFL Test #5 "Call it a day", answer 10

I must not forget either all those very important people, without whom none of us could operate, who work in the background.

Correct answer: (d) in the background
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Meaning Of The Following Idoims:
At Any Cost
Warm-hearted
Roused To External Wakefulness
Took Pleasure
A Steal
Bag Of Bones
Water Under The Bridge

Jubil

[Mister Micawber]

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Did you try the DICTIONARIES? Most of those can be found there. (ROUSED TO EXTERNAL WAKEFULNESS is not an idiom, I think.)
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Native English teacher at Mister Micawber's