– What else should we pay attention to _______ building the bridge?--The change of the weather, I think.
--- 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?
--- Could you please clean the room? --- _____ I have to do my homework.