He is one of those students who, I am sure, always do ____ best.
Has the doctor _______ called for?
Mr Smith has a lot of business______. I know by______ that this man cannot be trusted.
We _______ on this project for four hours. Let’s have a rest.
This dictionary is_______ to my translation, but that one is________.
The family settled in New York in 1970 and has lived there_______.