Question:
Correction of Punctuation
Correct punctuation
a) The new machine, which I haven't even learned to operate yet,is out of order.
b) The new machine, which I haven't even learned to operate yet is out of order.
c) The new machine which I haven't even learned to operate yet,is out of order.
d) The new machine which I haven't even learned, to operate yet, is out of order.