UC知道I ____him since his childhood. A.have been knowing.B.had been knowing. 为什么选B啊
来源：百度知道 编辑：UC知道 时间：2024/05/22 20:33:28
我自从他的童年 A.have 的 ____him 是 knowing.B.had 正在知道
在过去的过去就知道了```````
如果光看本句，确实觉得应该选A。 你看下是不是有上下文，整个语境是过去发生的事，这样选B就说得过去了
I ____him since his childhood. A.have been knowing.B.had been knowing. 为什么选B啊
I have ___the singer,but I don't ____him very well.
一道选择题:I haven't ____him for a long time.
Cos' since I meet you
i( ) from him since he left
I HAVE BEEN HERE SINCE TIME BEGAN
since能否用于一般过去时？譬如since 2004,I worked in XX factory.
i have stopped smoking since 2001.的同意句
Twenty years ______ passed since I came here.
My wife has never been a good one since I .