Supply the correct form of the word in brackets:
1. I think it's (risk)__risky___ to buy a new house without some good advice.
2. We learn that the (possess)__possession___ of large amounts of money does not ensure happiness.
3. It was said that the agency sent a (replace)__replacement___ for the secretary who resigned.
4. Yesterday morning I had a headache and I wasn't feeling very (society) societal (Thấy k phù hợp lắm --)
5. He had three days off work due to (ill)_illness____