---Have you seen ( )pen I left it here this morning.---Is it ( )black one I think i saw itsomewhere.A:a;the B:the;the C:a;a

Question

---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:a;a

Answer 1

c 从第二空知道对方并不确定不见的笔是黑色的,因此是泛指,用a,从而选c.