Add punctuation: Australia and the Cocos Islands Norfolk Island Christmas Island n
A: Australia (and the Cocos Islands, Norfolk Island, Christmas Island) ** n

Add punctuation: That the state is an organ of the rule of a definite class which cannot be reconciled with its antipode the class opposite to it is something the pettybourgeois democrats will never be able to understand
A: That the state is an organ of the rule of a definite class which cannot be reconciled with its antipode (the class opposite to it) is something the petty-bourgeois democrats will never be able to understand.

Add punctuation: It has a built QCPR training solution for a male performance and evaluate results key factors when one develops expertise
A:
It has a built QCPR training solution for a male performance and evaluate results; key factors when one develops expertise.