﹣It seems impolite to ask direct questions,____ ?
﹣Yes,but I think it's OK to your close friends.( )
does it
doesn't it
isn't it
Do you know the Changjiang River is longer than _____ in America?
—Tell us something about Canada, OK? —I’m sorry. _______ Jack _______ I have ever been there.
Eric seemed to be worried this morning. He ran out of the house in________ a hurry that he left the door _________.
I’m sorry. I won’t make _______ same mistake for _______ second time.
---Excuse me, is this seat taken? ---_______ . That man got his books and left a few minutes ago.