-Have you seen TV program Volunteer?
-Yes,I have never seen such educational program.( )
a;the
the;an
the;a
The writer found ________ difficult ________ English.
The English teacher added that having conversations ________ friends was not ________ at all.
--- Have you ever practice ________ to foreigners? --- Oh, yes. It improves my ________ skills.
My sister thinks Man from the Stars is such a fantastic TV series that she wants to see it ________ second time.
—Could you tell me _________? —You can take the No. 1 bus.