"I read his report it was interesting and well-written". There should be a punctuation (perhaps a period or a semicolon) between 'report' and 'it'.
Soft C:
Cereal, <span><span>ceiling, celebrate, celery, celestial, cell, </span><span>cellar
Soft G:
gym, </span></span>general, gentle, gentle, giant
The comma would end up between but and orange.
"You may have an apple or an orange, but you can't have both."
This is because you're coming to a conjunction, which usually has a comma preceding, or coming before, it.
