French language Q&A Forum

In this sentence why is it not 'était fournie', to agree with 'une paire'?:

une paire de boules Quiès étaient fournies

I note the examples of needing to go shopping use 

J’ai besoin d’aller faire les courses. Je dois aller faire les courses.

Another lesson on shopping used faire les courses without a preceding “aller”. Is there a difference in meaning?b.

Please help me how to use 'la voilà' le, les voilà etc. Is it an expression or something else? Thank you. 

In the sentence J'adore la vie à la montagne, I translate that as I love the life in the mountains. I was wondering why it isn't J’adore la vie dans les montagnes. Could anyone explain please?

Merci beaucoup

In this example, "You are leaving next Tuesday, aren't you", the correct answer used the present tense to indicate immediate future, but next Tuesday is not the immediate future.  What is the cut-off?  A week? A month? It varies?

This exercise is titled, Le Sun7 Beach...
It should be, Le Sunset Beach...
The same error occurs in the second phrase of the exercise.

Is splitting the bill a common occurrence in french restaurants? 

According to Larousse, Collins and Academie-françiase, « serre-tête » is invariable. Word Reference and Robert list «serre-têtes», but it is not the 'official version' apparently.

SERRE-TÊTE. n. m.■  Ruban ou coiffe dont on se serre la tête. Des serre-tête.

The correct response to :

popular French TV host Guy Lux 

was given as:

populaire animateur télé Guy Lux

….was the ‘French’ adjective left off or not required?

Also the correct response to:
1,500 privileged French households

was given as:

1500 foyers français

….no translation for privileged was given