Professor Wang, thank you so much for giving us this wonderful speech.----- ________.
This is the first time that we ____________a film in the newly-built cinema together.
Although I often send e-mails to Tom, I have never seen him _____________.
The police asked him to _________what he had seen.
The number of people in the party _____fifty, but a number of them ____ absent for different reasons.
He asked us ________ we saw the lost cat or not.