Прочитайте текст.
A mouse is a small, slidable device that users hold and slide around to point at, click, and sometimes drag objects on the screen in a graphical user interface using a pointer on the screen. Almost all personal computers have a mouse. A mouse can be plugged into a computer rear mouse socket, or as USB (device), or, more recently, may be connected wirelessly via USB antenna or Bluetooth antenna.
Ответьте на вопрос:
What is a mouse used for?
It is used to click, and drag objects on the screen.
It is used to point at, and drag objects on the screen.
It is used to hold and slide around.
It is used to point at, click, and drag objects on the screen.