问题
选择题
----I hear there’ll be _________ talk on teenage problems next Monday.
----Do you mean __________ talk our teacher asked us to listen to?
A．a; the
B．a; a
C．the; the
D．the; a
答案
答案：A
第一次使用提到某物时，要用a/an，再一次提到该物时，要用定冠词the，表示特指，故选A