【单选题】
If we work with a strong will, we can overcome any difficulty, ____ great it is.
【单选题】
Mr. John was busy, ____ he could not come.
【单选题】
I’ m____ that he didn’ t come.
【单选题】
I am a bit ( ) at the moment. Can you come back later?
【单选题】
It’s not fair that you come home after a bad day at
work and ____ your wife and children.
【单选题】
It’s not fair that you come home after a bad day at work and _____your wife and children.
【单选题】
He didn’t keep on asking me the time any longer as he had had his watch ____.?
【单选题】
He left home without ______ any message to his parents.
【单选题】
He was ____ in his work and didn’t hear me come in.
【单选题】
____ is essential to a successful scientist; he cannot hope to make any progress if he cannot work in a controlled way.