a与an的练习

选择a或an或者不填(用/来表示)penbagapplebigapplebananaorangeorangesorangepenhourhouseumbrellauniversity用a/an填空：①IsitChinesebookorEnglishbook?②Thisisring,anditisorangering.③MaryisEnglishteacher.TomisChineseteacher.④Thisisbike.It’soldbike.⑤Thisistelephonenumber.⑥ThatisIDcard.⑦Ilostmykeys.It’ssetofkeys.⑧It’sapple,notpear.⑨Thisispeach.That’sorange.⑩Youhavebanana,butIhaveegg.①Isthereumbrellaonthedesk?②Thereisislandinthesea.③Thereispictureonthecard.④Ihaveoldbook.⑤appleisakindoffruit.⑥Thereisarmchairinthelivingroom.⑦I’dlikeegg.⑧Look,thereisbirdinthetree.⑨Istheremaponthewall?⑩Thereisbenchinthepark.