------_____ have you been swimming?-------Two hours A.When B
------_____ have you been swimming?-------Two hours A.When B
they have been here ___ two hours ago.A.for B.since C.before
They _____ China for two years.A.have been to B.have been in
2.--_____ have you been swimming?-- For five years.A.How man
HOW LONG HAVE YOU BEEN SKATING A TREE MILES B THREE HOURS
英语 2.I have _____ here for two years.A.got B.been C.arrived
He has been there for__ A.two and a haif hours B.two and a h
When they will start _____ not been decided yet.A.have b.is
You will have been waiting for more than two hours 这是什么时态
I have been waiting for you for two hours.(对划线部分提问)
----how long have you ----here?----about two mnths.A,been B,
How long have you been swimming?