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 very bottom, drag the correct item to the little box above it.
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.