usage of "deny"

English as a Second Language English Vocabulary, Grammar and Idioms
1

Hi,

Could you tell me if the two sentences below is grammatical, please?

Also, would it be more natural to use “a” in those sentences
Thanks.

2

.
Both are fine. ‘A’ might be more common, but is no more natural-- it depends on the context.
.

3

Hi, MM

Thanks a bunch! :slight_smile: