I will put the book________you placed it and make a mark at the place________I put it.
The Great Wall was built to keep ____ the invaders.
I should very much like to have gone to the party, but______.
---Those shoes won't_____for mountain-climbing. ---_____this pair be OK?
Now Robert, a football fan in our class, _____ rome of his daily allowance given by his parents in order to buy a new football.
Why is he always forcing his daughter to practise playing the piano if she is not ___ for a pianist?