Choose the correct preposition. 1. How long will you be away? ... Friday a) on b) from c) until 2. When are you coming

1. How long will you be away?  Until Friday.

2. When are you coming back?  On Friday.

3. I waited till half past ten, but she didn’t come.

4. Don’t worry! I’ll return home before 6 o’clock, not later.

5. How many weeks are there your holiday?

6. George usually finishes his work at five, but sometimes he works till six.

7. I felt tired this morning and stayed in bed till 11 o’clock.