---Della, would you like some potato chips? ---No potato chips for me---I’m ______ a diet.
The country has already sent up three unmanned spacecrafts, the most recent ____at the end of last March.
She would say she was kept very busy, ____ she meant to refuse his invitation to dinner.
Several new railways are under _____ in China .
The traffic is heavy these days . I _____ arrive a bit late , so could you save me a place?
John is fond ____ football, while his brother is crazy ____ music.