Growing up _____ be difficult, for you will come across many things that confuse you.
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 _____.
3. --- Could I speak to Mary? --- Well, she’s on holiday, _____ .
2. He has lived _____ for many years. That's why he can hardly speak his mother tongue now.