They _______ drinking although they are drivers, which is very dangerous both to them and the passengers.
Comrade Li Dazhao, _____ librarian of Beijing University, was one of the founders of the Chinese Communist Party.
We won't know whether it will be successful. We won't know whether there will be good _____.
The open university was started in order to help those who _____ having a university education when they were young.
He has left his book here on _____, so that you can read it.
I remember her face but I cannot _____ where I met her.