I'll go to visit my aunt in England ________ the summer holidays start.

--- Have you ever been to Paris, one of ________ cities in Europe?
--- No. But one day I might go there on vacation.

What ______ you ______ when the telephone rang just now？

--- Could you please clean the room?
--- _____ I have to do my homework.

My friend doesn’t like film, so he _______ goes to the cinema.