The boy is his stamps his friends .A.showing ; to B.show ; to C.showing ; for 选什么?

The boy is() his stamps () his friends . The boy is lost.Help the boy f____ his mother. the boy is ___than his brother The boy(男孩) is Alan ( ) (his) isThe boy(男孩) is Alan ( ) (his) is my friend The boy is showing his teacher to his stamps 还是The boy is showing his teacher his stamps? the boy is _(put)the apple on his finger. the boy is the tallest in his class改成义一句 The boy( )(listen)his mother.HeThe boy( )(listen)his mother.He is laughing. The boy is his student.(对his student提问）_ _the boy? He is very glad什么 to his stamp to others Tom is ___ boy of the two in his family the,is,his,boy,brother?连词成句 brother,fat,his,is,boy,the 连词成句 who is the little boy wait?his motherdf the boy with his parents is at home The boy's eyes are big.but his mouth is the boy is sitting () his father and mother He is ask the boy to take off his coat.