根据句意和汉语注释，写出单词的正确形式。
How many ___________(纪念品) can we buy with the money?
The young like to wear trainers, because they are very _____________ (舒适，舒服).
This is one of the __________(强盗) names.
Does Simon know Bangkok is the _________(首都) of Thailand?
Englishmen always use knives and _______ (叉子) when they have dinner.