Computers ... (not use) in our school until 1997. Помогите вставить

Замените фразы одним словом Example: not countable - uncountable Not necessary - Not safe - Not tidy- Not breakable - Not regular - Not real - Not expensive - Not happy - Not possible - Not usual- Not comfortable - Not direct - Not interesting - Not

Помогите вставить правильно This book ... (write) in 2007. Computers ... (not use) in our school until 1997. Вот пример This photo was taken (take) two years ago.

Обсудите следующие вопросы: 1) In what other ways are computers used at home, or outside work? 2) Do you own a PC? 3) If you already have a PC, how do you use it? 4) What services do computers in business provide? 5) How do ecologists use computers?

Ex. I. Put the words in brackets into the correct form to make an accurate description of sizes of computers. There are different types of computer. The (large) and (powerful) are mainframe computers.

Задание : Write the short forms He has got Has not got He is Is not I am I am not They are Are not I have Have not Cannot She will Will not Shall not I would Do not Does not Did not Was not Were not