单项选择题
Conversation 1
A.A pen and a pencil. B.A chess set. C.A car model. D.Nothing is bought.
A.Because it is too far. B.Because they have been there before. C.Because it is not interesting. D.Because it is near.
A.2: 00. B.4: 00. C.5: 00. D.6: 00.