All_____is needed is of oil.

All_____is needed is of oil.
A the thing B that Cwhat D which
He is not ____a fool_____.
A such ; as he looks B such;as he looked
C as; as he looked Das; as he looked
He arrived in New York,______some time later he became a writer.
A when B where C that D which
Mr.Green is an Australian,____I know from his accent.
A who B whom C which D that
In the police station I saw the man from ____room the thief had stolen the TVs.
A whom B which C that D whose
It was a meeting_____importance I didn't realize at that time.
A which B of which C that D whose