—Where is the train?—It's ________ the hill.A．down B．up C．at
给下列单词选择相应的中文翻译，只填序号。
We werehe Great Wall.
Thank you your letter.
were very happy to see you.
—Where does she live?—Shein Beijing.
he Great Wall.
your letter.
were very happy to see you.
in Beijing.
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