三、随堂监测A组 I.在下列句子的空格中填上适当的冠词,不需要的地方用“/”表示：1.This is ______ old map.It is ______ useful map.2.We have no classes in ______ afternoon on _______ Saturday.3.______ spaceship flies at about eleven kilometers _______second.4.Beijing is ______ capital of ______ China.It is _______ beautiful city.5.Roman was not built in ______ day.6.Chinese