it is been nice to meet you?这是什么语态,为什么不是it was

it is been very nice talking to you请问为什么有个been it is been nice to meet you?这是什么语态,为什么不是it was It is been nice meeting you.为什么meeting?而不用to meet?是it has。 It's been nice talking to you.为什么用is不用has? it is nice to have you It is nice to be with you it is nice to have open it is always nice to see It's been nice talking to you的意思 Nice to .,It is very nice to.,Very nice to.之间的区别 ( )to see so many flower in full bloom!A.what nice is it B.how nice is it C.what nice it is D.how nice it is it is nice doing和it is nice to do有什么区别 it is nice of you to answer it it is nice to me to have you It is nice to talk to you this morning是什么意思 It is nice and It is nice of it is nice big