i have been here many a
i have been here ( )a year.
how many have you been here
How many times have you been here?
I have been here ___ only a few minutes.
i have been here for a long time
I have never been here.I haven't been here.
I have been here for just a week.(改为同义句) It has been just a
How long have you been here?I _____ here only half a month a
—Have you ever been to Harbin?—No,I've ________ been here.A.
He came here a year _______,and I have been here _______ two
I HAVE BEEN HERE SINCE TIME
o,i have been here before是什么意思