单项选择题( )1.Look at_____ picture. In it we can see______ small boat on the river. A. a, a B. the, the C. the, a D. a, the( )2.Here are your new trousers. Please_______. A. look it after B. look after it C. look them after D. look after them( )3.The purse is______. It's not______. A. my, his B. hers, his C. her, mine D. mine, her( ..