Put the verbs in brackets into the present simple or present continuous. 1. We are not sending out any orders this week because we are waiting for the new information.
2. If you add zero to any number, the quantity does not change.
3. We all know that circle of radius 1 has area π and circumference 2π.
4. Printers vary in cost, speed, print quality and other factors such as noise and compatibility.
5. Input devices allow you to enter information into the computer.
6. The number π plays central role in the study of trigonometry.
7. Professor Kshesinsky does not go to the lectures on Sunday.
8. The microprocessor coordinates the activities which take place in the computer system.
9. Look at the screen: it is getting darker.
10. You always are making a lot of noise.

dxdarthur2001    3   04.11.2021 21:15    2