What is this competition?

[Seba]

English Language Tests, Intermediate level

ESL/EFL Test #103 "Charlie's Knees", question 2

Even when he won the ......... knees competition at a holiday camp he wasn't ashamed - he just loved it.

(a) knobbly
(b) wobbly
(c) cobbled
(d) wobbled

English Language Tests, Intermediate level

ESL/EFL Test #103 "Charlie's Knees", answer 2

Even when he won the wobbly knees competition at a holiday camp he wasn't ashamed - he just loved it.

Correct answer: (b) wobbly

Your answer was: incorrect
Even when he won the wobbled knees competition at a holiday camp he wasn't ashamed - he just loved it.
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Hi Teacher,
Would you please tell me what is this competition?
Thank you

[Alan]

Hi,

This is a fun competition usually held in places like holiday camps.

Alan
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English as a Second Language
You can read my ESL story Word Story: Health

[Thunu]

Hello Teachers

Can you explain the meaning of "wobbly knees" in this sentence?

Thank you very much

Thu
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Reach an agreement as ploughing, don't let argument happen at crops.