Off course it's improper english grammar... but I know little to nothing ukrainian grammar maybe it makes sense for them
Depends on whether the items are considered a singular set such as in "this group of people is something" or plural distinct things as in "these people are something"
In the case of this exercise I'd say either is fine
Both are OK. In English, as far as what the native speakers in the comments told me (+ info on the Internet), if the subject is "A and B", the verb may be conjugated to either A or B, depending which one it follows (or precedes), or can be plural (since A and B are two).
These days, in this particular sentence "is" sounds more natural. I changed it to be the default translation. But "are" is still accepted.
In Ukrainian was asked about a single knife not in plural, therefore "Here are your knife" is wrong in my opinion. It should be - "Here is your knife".
Both are correct, as far as I've heard.
Here are --> knife and fork are two objects, so it's OK to write "are".
Here is your knife and [here is] your fork --> writing "is" is correct, conjugated only to one part of the subject "couple"
Both are accepted, "is" is displayed now as the more natural way.
Тут is just here, not there, but here. Ось is something like "here it is". You use it when you present someone with something or can point to the object (with hand) that is being looked for.
And here I am - А ось і я
Here are your keys - Ось твої ключі
Your keys are here - Твої ключі тут