DO you see ( )boy ,he is very tall 应家什么冠词

DO you see ( )boy ,he is very tall 应家什么冠词 e.g.He is a very tall boy. the boy sitting ____ Tina is very tall,so she can't see the Tom is an American boy.He‘s thirtee years old.He’s very tall He is very tall.提问 the boy is very tall改感叹句 The boy is very tall.(改为感叹句) The boy is not very tall.He can't reach the kite in the tree 1 do you know how_( high ,tall ) he is? That tall boy is fron America.His name is John.Do you know h He is as a tall boy as he is. Look!Can you see the tall boy?He_______a book