根据句意及汉语提示，写出各单词的正确形式，每空填一词。
1. As soon as they   ▲   (到达) to the hotel, they held a meeting at once.
2. After Jim answered the phone, he rushed out of the house   ▲   (立即).
3. Kids   ▲   (低于) 5 years old can’t play with this kind of toy.
4. The dresses   ▲   (本身) are made of common materials, but they sell well because of the famous designer.
5. He seldom   ▲   (回复) to the e-mails his friends send him.