Why "very" not "every"

Test No. [color=blue]errors/inter-8 “Tenses”, question 9

I find it very hard to understanding very word the teacher says because he speaks French very quickly.

(a) find
(b) understanding
© says
(d) speaks

Test No. [color=blue]errors/inter-8 “Tenses”, answer 9

I find it very hard to understand very word the teacher says because he speaks French very quickly.

Correct entry: understand
The error was: (b) understanding

Dear Igor,

Many thanks for your support - you have detected a typo which we will amend.
The one-by-one version of the test is correct already:
http://www.english-test.net/esl/learn/english/grammar/ir008/index.html[YSaerTTEW443543]

TOEIC listening, question-response: In which month were you born?[YSaerTTEW443543]