Question

This ____ the most innovative product our company has ever released. a.)maybe b.)may be

Answer 1

 The answer is B. This may be the most innovative product our company has ever released.

If you are ever unsure whether to use maybe or may be, use perhaps in place of maybe.
This perhaps the most innovative product?
That doesn't sound quite right.
This may be the most innovative product?
There we go.

Hope this helps =)