Meaning of mingle

[Sallyna]

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #100 "The Parliamentary Candidate (3)", question 3

Andrew Higgins kept a close watch on the platform from which Henry was making his speech, while several plainclothes policemen ......... inconspicuously with the crowd.

(a) meddled
(b) moulded
(c) mingled
(d) melded

English Language Proficiency Tests, Advanced Level

ESL/EFL Test #100 "The Parliamentary Candidate (3)", answer 3

Andrew Higgins kept a close watch on the platform from which Henry was making his speech, while several plainclothes policemen mingled inconspicuously with the crowd.

Correct answer: (c) mingled

Your answer was: incorrect
Andrew Higgins kept a close watch on the platform from which Henry was making his speech, while several plainclothes policemen melded inconspicuously with the crowd.
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When do you use mingled?

thank u
Sallyna

[Mister Micawber]

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We use mingle when we wish to express these meanings, Sallyna:

TRANSITIVE VERB: 1. To mix or bring together in combination, usually without loss of individual characteristics. 2. To mix so that the components become united; merge.
INTRANSITIVE VERB: 1. To be or become mixed or united. 2. To join or take part with others: The faculty mingled with the trustees.
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Native English teacher at Mister Micawber's