问题描述：
1.In the w______,we have lots of friends.
2.Is Tom from the United States?（改为同义句）
_______ Tom ______ from the United States?
3.His sister is from Canada.（对划线部分提问）
划线部分：Canada.
______ his sister ______?
2.Is Tom from the United States?（改为同义句）
_______ Tom ______ from the United States?
3.His sister is from Canada.（对划线部分提问）
划线部分：Canada.
______ his sister ______?
问题解答：
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