There’s a missing connective in each of the following...

There’s a missing connective in each of the following sentences I, II and III:

I . __________ the issues discussed yesterday, we must schedule another meeting, as many doubts still remain.

II. The subway is on strike, __________ buses will get crowded.

III. ___________ what you’ve told me about her, she is very clever.

The alternative that respectively brings the correct connective for each one is