TIP: The label (top right) marked in red shows the activity type.
Hover your mouse (or touch on smart phones) over the label to get more help.
From the box at the bottom drag the items to the boxes on the right.
Click on the "Check answer" button.
Correct answers are indicated with a green-lined checkmark (✔) symbol and incorrect answers are indicated with a red-lined cross checkmark (✖) symbol.