Fill in the gaps with "can", " should", "must", "need". -excuse me, please. -yes? -we to buy some pieces of furniture. -well, you it at the grand market. - we get there? -ok, the bus number 20. - get off? -at green valley street. -thank you very much. and where is the nearest bus stop? -it's on the opposite side. -thank you once more. sorry, you not cross the street here. look at the sign! you do it over there! -thanks a lot.