问题描述：
there are millions of webdites on the Internet there I _____ a lot of useful
there are millions of webdites on the Internet there I _____ a lot of useful ____on the websites
A are informations B are information C is information D is informations
there are millions of webdites on the Internet there I _____ a lot of useful ____on the websites
A are informations B are information C is information D is informations
问题解答：
我来补答展开全文阅读