摘要:3.终止性动词不能与how long引导的疑问句连用.如下面两句话均有错误: How long have you borrowed the book? How long has his brother joined the army? 应改为: How long have you kept the book? How long has his brother been in the army?

网址:http://m.1010jiajiao.com/timu_id_2325085[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