We' ve published large quantities of books. This year___ we've published three million.
The famous musician, as well as his students, _____ to perform at the opening ceremony of the 2012 Taipei Flower Expo.
The girl has a great interest in sport and _____ badminton classes twice a week over the last three years.
_____ basic first-aid techniques will help you respond quickly to emergencies.
I’m calling about the apartment you ______ the other day. Could you tell me more about it?
It was playing computer games _____ cost the boy plenty of time _______ he ought to have spent doing his lessons.