When you go _________ the street, you must be careful.
A: Hangzhou is really a beautiful city and there’re many places of interest.B: I think so, why not stay here for _______ two days?
A: The 16th Asian Games were very successful.B: ________ . We have enjoyed such exciting matches.
He has been away ________.
A: Thank you for giving us so much help.B: _______.
There are too many kinds of shoes here , I can’t decide ________.