用冠词a/ an或Be动词(am / is / are )填空。 小题1:What’s this in English ? It’s ________ pen. 小题2:Is that _________ orange? No, it isn’t. 小题3:It is ________ ruler. 小题4:This is ________ key. 小题5:Frank ________ OK. 小题6:Eric and Dave________ good friends. 小题7:What _______these? 小题8:How ________ your father? 小题9:I ________ a boy. 小题10:You ________ good. |