（1-3）单项选择、（4-5）连词成句
Li Ming's uncle is his aunt's ().
A.brother            B.sister           C.son
Everyone is my family () quiet.
A.are           B.sleep         C.is
I'm sending these postcards () Canada.
A.for            B.to          C.in
Beijing、country?Is、the、capital、of、our、city
buy、at、the、office、post、I、can、stamps