小题1:This is your sister.(改为一般疑问句)  ...
小题1:Thisisyoursister.(改为一般疑问句)yoursister?小题2:Thisismyparent.(改为复数形式)aremy.小题3:Thosear...
小题1:This is your sister.(改为一般疑问句) your sister?小题2:This is my parent.(改为复数形式) are my .小题3:Those are my friends.(改为单数形式) is my .小题4:That is a pen. (改为否定句) a pen.小题5:That is a pencil .(对划线部分提问) that?
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