— Our classroom is clean every day.—___________.It’s our duty to keep it clean and tidy.A. So we areB. So is itC. So it is
--- Could you go to the park with me this afternoon? --- Sorry, I _______ there. I went there yesterday.
--- Have you washed your clothes ______? --- No, I haven’t. But I have cleaned the room _______.
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?