冠词练习题I.冠词填空：在下列句中空白处填入适当冠词，不需用冠词处划。 1There is _ picture of _elephant on _wall 2This is _useful bookIve read it for _ hour 3 _ elephant is much heavier than _horse 4 _ doctor told him to take _medicine three times _ day 5Lets go out for _walk 6Its too hotOpen _door，please 7There is _woman over there _ woman is Meimeis mother 8 _ sun rises in _east 9
