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Su Hai went for a walk in the park_______Sunday morning.
A.at
B.on
C.in
D.\
-Su Hai and Su Yang look the same.
-Don't you know they are ________ sisters?
A.twin
B.twins'
C.twins
D.twin's
- Su Hai and Su Yang look the same.
- Don't you know they are _______sisters?
A. twin B. twins' C. twins D. twin's