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is my sister, __________ is my brother,Mike.shemothergrandfatherThesethat二、單項(xiàng)選擇。 brother. is ’s is 2.—Are these rulers? —Yes,________. ’re are are ’re3.—Is this an apple? —Yes,_________. ’s is isn’t isg and I________good friends. sister,and these________my parents. 。is 。 are 。is 。areCCBCBHomework 2d with your partners. 2d.Thank you !