--Have you seen()_ bag? I left it here just now.--Is it()_ one on the chair near the door?
A.a; a B.the; the C.a; the D.the; a正确答案C
--Have you seen()_ bag? I left it here just now.--Is it()_ one on the chair near the door?
A.a; a B.the; the C.a; the D.the; a正确答案C
