单项选择题
M: Tickets are six dollars for adults. Children’s tickets are half price. W: OK, I’d like two adult’s and two children’s, please.
A.Two dollars. B.Three dollars. C.Four dollars. D.Five dollars.
A.Linda and Prof. Green feel so shocked to meet each other. B.Linda is a bit shy about Prof. Green’s remarks about her. C.Linda and Prof. Green haven’t seen each other for quite some time. D.Prof. Green will buy an expensive present for Lind