摘要：They come from .
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The twins are ________ . They come from ________ .
[ ]
A．Americans, American
B．American, American
C．American, Americas
D．Americans, America
查看习题详情和答案>>Mary and Sam are ________. They come from________.
[ ]
A．Americas; America
B．America; American
C. Americans: America
D．American: America
查看习题详情和答案>>______ saying hello to them and asking them where they come from?
A．Why not
B．Why don't you
C．How about
D．Remember to
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