Meaning of warm up

[Kelly]

English Grammar Tests, Elementary Level

ESL/EFL Test #56 "Chit Chat: In the Aeroplane", question 8

Mike: That means that the engines are warming .......... It won't be long now.

(a) off
(b) up
(c) over
(d) in

English Grammar Tests, Elementary Level

ESL/EFL Test #56 "Chit Chat: In the Aeroplane", answer 8

Mike: That means that the engines are warming up. It won't be long now.

Correct answer: (b) up

Your answer was: incorrect
Mike: That means that the engines are warming off. It won't be long now.
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Hi Sir
Please do me a favour to explain what does it mean for 'Warning up'?
On the other hand, there is another word which is outside the lesson I wish to know, hm...can u tell me the usage and meaning of 'draw up' ?

Thanks a lot

Kelly

[Alan]

Hi Kelly,

Warm up means become warmer slowly. Draw up means create as in draw up plans.

Alan
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