来自沙朝锋的问题
1.Youwereabsentfromschooltwodaysago.为什么不去掉were成Youabsent(过去式)fromschooltwodaysago.2.shedidnotmadetripslastyear.不是did后面用动词原形吗,为什么made不用原型make,trips不用原形trip3.Ididn'tkn
1.Youwereabsentfromschooltwodaysago.为什么不去掉were成Youabsent(过去式)fromschooltwodaysago.
2.shedidnotmadetripslastyear.不是did后面用动词原形吗,为什么made不用原型make,trips不用原形trip
3.Ididn'tknowyouwereinparis,为什么were不用原形,不是did后面跟原形吗?
