Don’t try to cheat the taxman; you’ll never ______it.
I'm going to spend the winter vacation in Shanghai,_______I have relatives.
________ you ought to do now is to see a doctor at once.
The medicine is on sale everywhere. You can get it at _______ chemist's.
The sign reads "In case of_______fire, break the glass and push______red button. "
—Will you go to Tom's birthday party tomorrow? —No,________invited to, for she is the last person I'd like to see.