77．The teachers are having a meeting．Please (be)quiet．——青夏教育精英家教网——

摘要：77．The teachers are having a meeting．Please (be)quiet．

网址：http://m.1010jiajiao.com/timu3_id_2668829[举报]

Please be quiet! The teachers ______ a meeting．

　　A．have　　B．having　　C．is having　 D．are having

查看习题详情和答案>>