Нужно поставить в правильную форму use the verbs in the appropriate tense (active or passive) 4.if people had no internet, more/(communicate) 5.dont you think addictedto the computer? (become) 6.you never know what kind of people may get to it and how it them.(use) 7.the the twentieth century.(invent)
5) is becoming
6) be used
7) was invented