turning brown

[Ginevra]

English Grammar Tests, Elementary Level

ESL/EFL Test #230 "Adverbs of Quantity (3)", question 7

......... of the leaves on our trees in the backyard are turning brown. We have to water them soon.

(a) All
(b) Every
(c) Any
(d) Numerous

English Grammar Tests, Elementary Level

ESL/EFL Test #230 "Adverbs of Quantity (3)", answer 7

All of the leaves on our trees in the backyard are turning brown. We have to water them soon.

Correct answer: (a) All

Your answer was: incorrect
Numerous of the leaves on our trees in the backyard are turning brown. We have to water them soon.
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Why not "numerous" ?
Is it an incorrect aswer definitely?
Many thanks

[Beeesneees]

'numerous' and 'of the' do not work together. You could say
'Numerous leaves on our trees', but because 'numerous' actually means 'a number of' you cannot say 'numerous of' because you would basically be saying,' a number of of the leaves...'

Numerous + of is always incorrect.
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Cheers m' dears!