A.
<span>If I ever have another chance.
That is a subordinate clause because it does not have a complete thought. </span>
Sugar :) I can't make this 20 characters
Different ideas:
Should students be allowed to have phones in elementary and high schools?
Should students have to wear uniforms?
Should girls be allowed to play on boys sports teams?
Should students be paid for having good grades?
Those are just a few I had in mind... Hope this helps!