请根据句意从方框中选择合适的单词，并用其适当形式填空，使句子通顺。

nine   angry   she   interest   prepare

小题1: The little girl came here by train all by __________.
小题2:Look! How ___________ John is looking at his son.
小题3:I couldn’t understand why he was so _____________ in the invitation.
小题4:From the ___________ floor of the hotel, you can have a good view of the town.
小题5:We should spend as much time as we can ______________for today’s history exam.