—Do you know ________ man sitting behind Li Ming?
—Yes.He is Li Ming's father,________ university teacher.
A.an;an B.the;an C./, the D.the;a
—Do you know ________ man sitting behind Li Ming?
—Yes.He is Li Ming's father,________ university teacher.
A.an;an B.the;an C./, the D.the;a
D