摘要:( ) - How you your summer vacation? - I visited Xi’an. A. do.spend B. did.spend C. did.spent 答案:B 从答句是一般过去时知.问句也要用一般过去时.

网址:http://m.1010jiajiao.com/timu3_id_2615026[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