how long have you ___ there?---About three years.A.been B.go
how long have you ___ there?---About three years.A.been B.go
—How long have you _____ there?-About four years.A come B go
how long( )you( )a doctor?Three years A ,have:been B,have:be
-How long have you been a teacher?-( )about ten years.填介(副)词
How long have you studied English?___ A.For 5years B.5years
HOW LONG HAVE YOU BEEN SKATING A TREE MILES B THREE HOURS
how long —— you ——here?For about tuo years.A.have studied B.
----how long have you ----here?----about two mnths.A,been B,
-How long have you been there?-____last month.A.For B.Until
—How long have you been here?—For about 10 years,And I _____
___ yogurt do you need?Three cups A.how long B.how far C.how
How long have you been a teacher