Shouldn't beneath work just as well as under?
Yes. Please report it if that comes up again.
IMHO there's no difference between "rest" and "have a rest" in this case and the second variant shall be accepted
How to change suffix of number? Sometimes I see húsz, and sometimes I see huszon
Húsz should be 20, 21-29 would begin with Húszon.
Same as for tíz when used on its own for "10", and tizen- when used as a prefix corresponding roughly to the "-teen" suffix in English, like in tizennégy ("fourteen").
Question... Can one distinguish between English people who are students, which is what this sentence sounds like to me, from people who are students of English? Thanks. Just curious. Love nuances.