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rick didn't s___helen for a long time .Today theyt m__in the street.she a__said that she went to guizhou and saw Huangguoshu waterfall
英语
with her f____
用合适的词填空 1.Niagara Falls is a famous waterfall in ______.2.Canada"s flag has a _____.3.Canada is north _______ the U.S.4._____ is the c
英语
pital city of
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