Fill in the gaps with either at or to.
Remember: AT can express a cause of a feeling or the direction of one's feelings. It can also express the direction of one's actions or efforts.
TO can express direction with intention: there is the expectation that something will be received.
Press "Check" to check your answers once all gaps have been filled. Use the "Hint" button to get a free letter if an answer is giving you trouble.
You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!