A：Hi，Mary．

B：Hi，Linda （16） 　　

A：I'm going to the mall．（17） 　　

B：Sure，I'd love to．What are you going to buy？

A：（18） 　　

B：A trip？

A：Yeah．I'm going to the seaside with my parents．

B：Wow!Hem long are you slaying there？

A：For three days．

B：（19） 　　

A：Um，an umbrella，sunglasses and…

B：I think you should also bring some medicine．（20） 　　

A：OK Thanks．Let's go．

A．I want to buy something for a trip．

B．Do you have anything to buy？

C．And care about your health．

D．Would you like to go with me？

E．I'm going on a trip．

F．Where are you going？

G．So you must have many things to buy．