题目内容：

根据下面的对话情景，在每个空白处填上一个适当的句子，使对话的意思连贯、完整。

A: Hi, Mary. Are you going to visit Beihai Park tomorrow?

B:Yes.We'lls tart at 7:50. 1.________________________ ?

A: I'd love to. But do you think it's going to rain tomorrow?

B: 2. __________________________________. Look, there isn't any cloud in the sky.

A: I hope it will be fine tomorrow. 3.___________________?

B: Not far. It'll take us half an hour. It's only 5 bus stops.

A: You mean we'll go there by bus, is that right?

B: Yes. 4.______________________________________.

A: But I'd like to go there by bike. At that time the streets are very busy. Buses can't go faster than bikes.

B: I agree with you. Going by bike can save both time and money.

A: Yes. 5.____________________________________ .

B: OK. Goodbye.

A: Bye-bye.