From my s (a)   , that's a brilliant idea.

Without a (a)   , this plan can be implemented.

As far (a)   I'm concerned, Ivan has solid experience in this technology.

I don't quite follow you. What exactly do you m (a)   ? Could we

have some more details, please? (ENTER a verb)

Would I be right (a)   saying that we are going to postpone this meeting? (ENTER a preposition)

I am under the (a)   that it was not a difficult task. (It seems to me that ...)

P (a)   I believe we can implement this idea and meet the deadline. (MEANING "In my opinion")

- I believe that not really feasible.

- I think (a)   , we have the recourses, so it's possible. (я іншої думки)