[事「こと」]だ => A is necessary/good (offering advice/suggestion) N3
Needs, Requirement
かれ~かれ => A or B N1
Lists, examples
[事「こと」]ができる => Be able to A; can do A, Can A; be possible to A; N4
Causative, Passive, Volitional
に[限「かぎ」]った[事「こと」]ではない => It's not limited to A, it's not only A N1
Degree/ Level/Amount
それと => A, and B N3
List, Examples
とあれば => If A N1
Conditional, While
てくれる => Do for someone. N4
Give and take advice
それとも => A? or B? N3
List, Examples
まみれ => Covered in A (negative condition) N1
Adjectival, Descriptions
それでも => Even though A, B N2
Contrast,Surprise
[切「き」]れない => Can't finish/complete A N3
Potential, Possibility
それはそうと => By the way N2
Miscellaneous