Do you still remember this one? What is it called?

If you want to ask something to your teacher, what should you click at first?

Look at this icon. It means ....

Which one is the correct position?

Look at this, which tool does it belong to?

Look at this one, this is .... tool

Which one is called 'desktop computer'?

How many parts of mouse do you know?

When your teacher is explaining, you should ....