Final answer:
To use a combination of manipulator types, hold down the Ctrl key.
Step-by-step explanation:
If you want to use a combination of manipulator types, hold down the Ctrl key on your keyboard. Holding down the Ctrl key allows you to select multiple items or perform multiple actions simultaneously. This is commonly used in computer applications such as text editors, spreadsheets, and image editors.
For example, in a text editor, you can hold down Ctrl and click on different parts of the text to select them. In an image editor, you can hold down Ctrl and click on multiple layers to select them at once.
Therefore, the correct answer is 1) Ctrl.