根据句意及首字母写出单词
问题描述：
根据句意及首字母写出单词
1、"You'd better not make the same m____ ",said the teacher angrily.
2、I don't know how to use c_______ and full stops.
3、I don't have a p______ to practice English with.
4、The man laughed when he r______ what had happened.
5、Is this pack of cards c_______ 54 in all?
答
mistake
commas
partner
realized
cheap