Mathematics Senior High over 8 yearsago

even when histarians disagree about how many there have been , or whether a particular candidate should be included in the list, or on ma... Read More

Mathematics Senior High almost 9 yearsago

The gigantic corporation had a virtual monopoly over internal commerce. このoverって何ですか？

English Senior High over 9 yearsago

英単語の派生語って覚えるべきでしょうか？