摘要： is known to everybody. the moon travels around the earth once every month. A.It B.As C.That D.What 解析:考查非限制性定语从句.关系词放在句首只能用as.若选A应为:It is known to everybody that the moon.... 答案:B
网址：http://m.1010jiajiao.com/timu_id_3895816[举报]
网址：http://m.1010jiajiao.com/timu_id_3895816[举报]