so/such/such a(n)

It's difficult to me. Can you check it?:) 1. The story was so fascinating that the children didn't make a sound. 2. The unfortunate tourist didn't expect such kindness from complete strangers! 3. I'm glad you all had such good time at the picnic. 4. The sweater was so big that it touched her knees. 5. It was so lovely day that they decided to go swimming. 6. He was such a intelligent boy that he was put into the advanced level. 7. He ran into such heavy rain that he could hardly see the road 8. They had never seen so many people at the beach. 9. The contestants didn't think they would have to face such difficulty. 10. Wow! You are so intelligent!