How many climate zones are there in Luxembourg?

How do u say hi teacher how are you in french

Could anybody translate this into french i would be grateful: imagine being on top of the great wall of china meating all these new people seeing how the locals live.and how's your holiday going in frence? i hope everything is fine,see you soon.

Which direct object pronoun best completes the second sentence?               notre grand-mère est très sympa. elle donne toujours des cadeaux. a. me b. vous c. nous d. leur