"上网"英文go to the Internet还是go on the Internet?还是两个都可以?

in the internet还是on the internet over the internet还是on the internet 上网是in the internet还是on the internet?online还是on line? 上网用英语怎么说?是surf the internet on line吗?还是surf the internet 上网是 surf Internet 还是 surf the Internet 在网上是on the Internet还是in the Internet. 是 from the internet ,还是 on the internet surf on the Internet 还是surf in the Internet Mary goes____ the Internet to go shopping go to the summer camp,还是go to summer camp?还是两个都可以 They usually go on the Internet.(对 go on the Internet提问） — （ 在网上的英文是什么?是on the Internet 还是in the Internet