A：Hi， Jack!

B：Hi，Marry． Oh，you look tired， What's the （51）　　 ？

A：I stayed up late last night． I didn't get enough sleep．

B：You are too tired． Why （52）　　have a good rest？ Let's go to the zoo this weekend．

A．I went there last month． How about Jangyang Park？

B：That sounds great． Flowers are coming out now．

A： （53）　　can we get there？

B：By bus． No． 167Bus can take us there．

A：OK． Could I take my sister with us？

B：Your sister Lucy？ We （54）　　bike riding last summer．

A：Yes， We had a good time then．

B：Great! I'm glad to see her again．

A：OK． See you （55）　　 7 ：30this Saturday．

B：See you．