1.the question is whether you will telephone me punctusally
2.that we need more and better equipments is quite obvious
3.let's see how we can improve our english
4.he listens to what people say
5.even if your mouse is broken down,you can still conmmunicate with your machine via a keyboard.
6.he looked just as he was a computer expert
7 that's why english is widely used in the world
8 the mouse is an essential device that allows the user to do many operatinons more quickly than he could with the keyborard alone
9 whether you 'll buy a notebook computer or a desktop computer will make no difference