问题标题:
thisisaphotoof____whentheywereyoungA.myfatherandmotherB.myfather'sandmymother's在线等
问题描述:
thisisaphotoof____whentheywereyoung
A.myfatherandmother
B.myfather'sandmymother's
在线等
刘和光回答:
选A.myfatherandmother
of是物主代词,而‘s也是物主代词.重复了.
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