Questions 22-25 are based on the following monologue about the generation gap.
How long will the adults and teenagers in this program live together?
A.Five weeks. B.Six weeks. C.Seven weeks. D.Eight weeks.
参考答案:
答案解析:
Questions 18 -21 are based on the following dialogue between
Questions 18 -21 are based on the following dialogue between a customer and a s