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听力题目：
13.(A). Rick showed extremely poor manners.
(B). I think Rick should have accepted our invitation.
(C). It was polite of Rick to join our conversation.
(D). Rick listened while we spoke to them.
14.(A). They performed a test. (B). They tried the beverage.
(C). They ate the vegetables. (D). They pasted on the letter ”t”.
