George is _________ a very serious man, but as a matter of fact he has a great sense of humour.
If I ____ more about diamond, I ____ cheated by that man.
Some of you may have finished unit one, _____, you can go on to unit two.
The incomes of skilled workers went up. ______, unskilled workers saw their earnings fall.
Little ___ about her own safety, though she was in great danger herself.
The vegetables grown in this district are much better than ____ in that district.