答案：A
1、A 答案用的是过去完成时,即：had + 过去分词.过去完成时指“一个动作或状态在过去某一时间或动作之前已经发生或完成”,即动作发生的时间是“过去的过去”.后面用的是turned on,决定了答案选A.
2、答案B 用的是现在完成时,其结构是：have/has + 过去分词,现在完成时表示“过去发生并且已经完成的动作对现在造成影响或后果,过去某一时间开始并一直持续到现在的动作或状态”.
翻译：当我打开电视的时候,电视节目已经开始了10分钟.
the tv show__for ten minutes when i turnded on tv A had been on B has been on
the tv show__for ten minutes when i turnded on tv A had been on B has been on
英语人气：541 ℃时间：2020-04-17 18:07:16
优质解答
我来回答
类似推荐
- The film had been on for ten minutes when i got to the cinema
- the movie ＿for ten minutes when i got to the cinema A has been on B had been on
- When I got to the theatre ,the movie _____ for twenty minutes.A has been on B had been on
- the film has been on for ten minutes 求个同义句啊
- When he arrived at the bus stop,the bus_____for 20 minutes. A,has left B,had left C,has been away
猜你喜欢
- 1已知直线经过点P（2，-3），且平行于过两点M（1，2）、N（-1，-5）的直线，则l的方程是_．
- 2某超市部分商品搞促销活动，每盒糖果15元，买4盒送1盒，晓敏买了4盒，每盒能便宜多少钱？
- 3各位大哥大姐帮个忙对一个下联,我对对联不懂啊!谢谢上联是“范仲淹,先天下而忧,忧国,忧民,忧社稷”；
- 4夫菱生于水而曰土产,此坐强不知以为知也是什么意思,
- 5You made a lot more mistakes than you did.这句话有错吗?
- 6有电感,电容和电阻的电路谐振时,串联时,电流无穷大,我懂了.并联时,电压为什么无穷大?我是业余的,
- 7已知：线段a和b.求作：等腰三角形△ABC,使AB=AC=a,高AD=b.
- 8(Yesterday) Betty bought two packets of sweets for me.(括号内提问)
- 9给大写字母排队并写出相对应的小写字母.F K Q E L T B G A D N
- 10写出表示快的成语