1. The guestions are often asked. (Вопросы часто спрашивают).
2. the museum has been visited many times. (Музей посетили много раз)
3. A book is being read. (Книгу читают)
Chair,Desk ,
pen,computer,blackboard,ruler,<span>thermos</span>
<span><span><span>1) I knew that in the past the computer mouse looked different from what it looks now.
</span><span>2) I knew that first televisions were black and white.
</span><span>3) I knew that first TV's had few channels.
</span>4) I knew that </span><span><span>in the past TV screens were very small.
</span><span>5) I do not understand how the first computer mouse was manipulated.
</span>6) The stages of </span><span><span>the computer mouse development.
</span><span>7) The history of invention of the TV.
</span><span>8) The first computer mouse was a huge wooden box
</span><span>9) The first computer weighed several tons, worked very slowly and took up a lot of space.
</span>10) First TV's had only one channel which worked for only </span><span>2 or 3 specified hours.</span></span>