My cousin is old enough ______ himself.
8. He said he would come, he didn't ______.
7. Peter can't speak Chinese and can't write it, _____. So Chinese is Greek to him.
6. --- Do you know your results?--- No, I don’t know them ____ .
5. I have _____ nothing to do today, so you stay here longer.
4. When Mary finally got there, Tom had left an hour _____.