It’s the sort of work that _______a high level of concentration.
He is ______ as a leader but he hasn't ______ in teaching.
______ of a new car factory is good news for all the villagers.
In my opinion, ______.
—Who is making so much noise in the garden? —______ the children.
I want to buy a computer, but there is only one left in that shop, so I'll have to buy ______.