The whole truth or all the truth

[Nguyen Quang Huy]

Test No. incompl/elem-1 "Speaking already", question 8

I want you to tell me the ......... truth.

(a) all
(b) exact
(c) real
(d) whole

Test No. incompl/elem-1 "Speaking already", answer 8

I want you to tell me the whole truth.

Correct answer: (d) whole

Your answer was: incorrect
I want you to tell me the all truth.
_________________________

Why can't use "All"

[Alan]

All would be used before the article to read all the truth.
_________________
English as a Second Language
You can read my ESL story A day in the life of a parliamentary candidate