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．
