Verb plus preposition

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. Note that you will lose points if you ask for hints or clues!
ABOUT___ AT ___ FOR ___ TO

Liam : Why are you frowning?
Sally: I was thinking the exam next week. I'm worried it.
Liam: Why don't you talk your teacher and ask more help.
Sally: Good idea.