Simply is 'tout simplement' or use 'ne . . .que" as in 'ce n'est qu'une erreur' = it's simply a mistake.
To say 100 in French, you simply say cent
Le français est le meilleur
Taco is simply un taco in French
Simplement doux
Simply bonjour.
You would simply say 6h. Or, six heures.
In French, Greg is spelled and pronounced the same way as in English. So, you would simply say "Greg" in French.
i would say good work
The easiest one is simply "Zut!"
Saying an English name in French is the same. So Christopher in French is simply Christopher. You can also say it: Christophe.
'viens ici' or simply 'ici' are the usual ways you say 'come here' to a dog in French.
We wouldn't say that in French or not in that form of words anyway. Probably we would simply say 'tendresse' or 'bisous'.