Réponse :
1-Mr Mckay/ fly / Air Canada ?
Has Mr Mckay ever flown on air Canada ?
yes he has,
2-Mary/ eat/blood soup ?
Has Mary ever eaten bloud soup ?
no she hasn't.
3-Mary / hear / whale singing ?
Has Mary ever heard whale singing?
Yes she has.
4-You /be/Canada ?.:;
Have you ever been to Canada ?
Yes I have/ no i haven't.
Explication: Grammar point
When wanting to form a question, you should use this structure to do so:
the structure of a ''wh''- question is frequently and mostly used like this:
Wh question+auxilary Verb+subject+ main verb+other information
=in your homework, In your case:
has/have + subject+ever+past participle ( the additional information is not a necessity)