I think it'll make more sense to say
J'achèterais des souvenirs de quelques monuments
The answer is Un bureau =Des bureaux
Bonjour !!
To someone you don't know very well, you must use the "vous de politesse" which is a "formal you"
Comment <u>allez-vous</u> ?
<em>OR</em>
Vous allez bien ?
-
<em>if it was to someone you know well, as a friend, you'd say </em>
<em>Comment vas-tu ?</em>
<em>OR</em>
<em>Tu vas bien ?</em>
Hope this helps ☺☺☺
Je vais voyager le mois prochain.
You’re joking is tu rigoles in French