----I hear there’ll be talk on teenage problems next Monday.--Do you mean talk our te

----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→)A. a; theB. a; aC. the; theD. the; a解析：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

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