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.