摘要: -Was his father very strict with him when he was at school? -Yes. He had never praised him he became one of the top students in his grade. A. after B. unless C. until D. when 答:C.not ...until...直到--时才--.unless 与 if...not...意思相符.但若使用unless , 一般用虚拟语气.主句应是He would never have praised him if he had not become one of the top students in his grade 或He would never praise him if he did not become one of the top students in his grade.

网址:http://m.1010jiajiao.com/timu3_id_2591631[举报]

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网