.Slang words (俚语) are made _____ special groups,such as workers and musicians.
— Can you meet me at the airport at 9 o’clock next Monday?— I’d like to, but I ________ an English class then.
The bird was lucky enough to escape _______ by the young man .
The Harry Potter books are quite popular ,they are in great _______ in this city.
I guess we have already talked about this before but I’ll ask you again just ________.
_______difficulties we may come across, we will help one another to overcome them