Convert the following Simple sentences to Complex ones, each containing an Adverb clause :
1. I could not come on account of my illness.
2. He left after my departure.
3. He talks wisely.
4. I am too weak to walk.
5. On coming home I learnt the truth.
6. Wait here till my return.
7. You are too lazy to shine in life.
8. I would have failed without your help.
9. Having done the work he left for home.
10. I shall be glad to see you succeed.
11. In his absence I‘took charge of the whole thing.
12. He came just at 5.