Which oo or ou word fits?

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. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
   childhood      coupon      group      routine      should      soup      through      throughout      throughway      wound      you      youth   
1. My mom has a morning .
2. Do like ?
3. We went on the I-10 .
4. My of friends found a for free ice cream.
5. My was such a happy time for me.
6. The weatherman said it rain the night.
7. "This needs stitches", said the doctor.
8. I have great memories of my .
9. I had to go the woods to get home!