Translation of russisch

I hope you could understand my last letter to you. You see, when I write in Spanish I am not very confident. I always question myself and each and every sentence takes about fifteen minutes.
However, the option of creating new lessons with multiple answers is now widely used by our users (teachers and students). However, we believe rather in context and single answers ant not multiple options.
To be honest, we did not understand one word of what he was saying, because his English was so terrible. Or maybe it wasn't and it was only his accent which we could not grasp. To us it was Chinese.