—Is Bob still performing?
—I'm afraid not.He is said ________ the stage already as he has become an official.
A．to have left B．to leave
C．to have been left D．to be left
I like getting up very early in summer.The morning air is so good ________.
A．to be breathed B．to breathe
C．breathing D．being breathed
It is said in Australia there is more land than the government knows ________.
A．it what to do with B．what to do it with
C．what to do with it D．to do what with it
When I handed the report to John，he said that George was the person ________.
A．to send B．for sending it
C．to send it to D．for sending it to
In my opinion，life in the twenty－first century is much easier than ________.
A．that used to be B．it is used to
C．it was used to D．it used to be
—Would you like to join me for a quick lunch before class?
—________，but I promised Nancy to go out with her.
A．I'd like to B．I like it
C．I don't D．I will
