请认真阅读下面对话，并根据各题所给首字母的提示，在答题卡上标有题号的横线上，写出一个英语单词的完整、正确形式，使对话通顺。
W: Hi, Fred．Where have you been?
M: I’ve been to the l____76____ and borrowed some English books．   76．        
What’s wrong?
W: I t___77 ___ you’d been to the post office．                      77．        
Did you notice the money I left on the desk?
M: Yes, $10 altogether．But I didn’t know what it was f___78____．      78．        
W: Didn’t you see the note I left you with the money?
M: Note? What note? I didn’t see any note．
W: R___79___? That’s very strange．I left the money with a note  79．        
saying I wanted you to go to the post office and get some
e___80___ and stamps for me．I also put the ink bottle on          80．        
them in case they might not draw your a___81____．        81．        
M: I see now．Why can’t you go and get them y__82___?        82．        
The post office is only about 30 minutes’ walk from here．
We often walk there after supper．
W: Of course I know how far it is from school．I can’t go there myself because
I’m very busy doing some chemistry e___83___ in the lab．       83．        
And what’s more, I have to p___84___ for my English exam．     84．        
You know I f__85__ the last one．If I can’t pass this time,        85．        
a hard time will be waiting for me．