we have been doing much better in English __our reacher's help.介词填空
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We have been happy to continue doing
have been doing sth
have been doing 神马意思?
what you have been doing
--What was Wang Tao doing at that time?--Im sure he must have been playing the piano.为什么这里用must have been playing,不是完成进行时吗?说明现在还在做唠?----------------------------------------------------------------As we now
has been doing have been done区别
We have been ````
we have been doing much better in English __our reacher's help.介词填空
What have you been doing since we last met?为什么用过去完成时
have been doing ,have done和have doing区别
i has been doing 还是i have been doing
Maybe I'm not perfect,but I have been doing myseMaybe I'm not perfect,but I have been doing myself.语法对吗
have been doing 为什么还有 have been deadj
have been do和have been doing的不同
have been doing,had been doing,will have been down是什么
what have they been doing 是什么时态
have been doing sth是什么时态?
have been doing 该怎么用