I have been to Beijing twice,but I still want to go there

问题描述:

I have been to Beijing twice,but I still want to go there
I have been to Beijing twice, but I still want to go there ___ time.
A. the thirdB. a thirdC. for the thirdD. for a third

B
序数词前加a ,表示‘ 又一,再一’
我去过两次北京,但我还想去再去一次.为什么不用C呢赐教次数前不用介词for 呀,如
I have been to Beijing twice/three times.我到过北京两次/三次