they have been there before.so have i they have been there b

they have been there before.so have i they have been there b They have a____ been there I never there before.A.have;been to B.have;been C.have;gone Because I never have been there before. I have been there They must have been enjoying themselves there,or they _____ They must have been enjoying themselves there,otherwise they i have always been there i have never been there I have never been there. i have been there twice They have been there for three days.与they have gone there fo he must have been there before-----