I don’t doubt_______ he took the first place in his class; but I do doubt_______ he will succeed in the end.
I don’t like the way he talks and laughs.
He was generous with his time, ______ I was grateful..
Until today we have reached a stage ______ we have almost no rights at all..
I invited Joe and Linda to dinner, but ________ of them came.
Only when he is seriously ill ______ in hospital.