____, he does not know the answer.
A．As he is a teacher B．As he is teacher
C．A teacher as he is D．Teacher as he is
We were ____ to go out for a camp ____ it began to rain.
A．hardly; than B．around; as
C．about; when D．nearly; while
____ several times, the young scientist still kept on doing his experiments.
A．Having failed B．Having been failed C．Failed D．To fail
It was last October ____ they finally came back to their hometown.
A．when B．that C．what D．until
My pen is missing I can’t find ____ anywhere.
A．one B．this C．that D．it
Had I learnt English well, I ____ interview for the job tomorrow.
A．would take B．would have taken
C．must take D．could be taken
