—Have you seen pen? I left it here this morning.
—Is it black one? I think I saw it somewhere.
A.a; the B.the; the C.the; a D.a; a
—Have you seen pen? I left it here this morning.
—Is it black one? I think I saw it somewhere.
A.a; the B.the; the C.the; a D.a; a
D