英语小题,根据句意及所给的首字母补全单词.1.--Do you s____ on the Internet,Liz?--

英语小题,
根据句意及所给的首字母补全单词.
1.--Do you s____ on the Internet,Liz?
--No.I don't know how to use computers.
2.The rope is 10 meters l_____.We can use it as a swing（秋千）.
3.Ted is the only son in his family and he has become the c_____ of his family.
4.There is a large pool and a s_____ pool at the sports center.