John, look at the time. ____ you play the piano at such a late hour?
---How do you often spend your spare time? ---Personally speaking, there is nothing happier than reading a book, ____ a cup of tea. drunk B. be drinking C. drinking D. to drink
After the 8.8 magnitude quake, ___ large number of the injured are in ____hospital in Chile.
If I had worked harder at school, I ___ in a comfortable office now.
We ____ last night, but we went to the concert instead.
This college ___ boys to enter the army as officers.