When you go by train, please see to it_______ you take an express, _______ that stops only at big stations.
The life he is now used _____ quite different from ours.
The old house we paid a visit _____ at the top of the hill.
Nothing that he suggested _____ to be of any use.
What the boy enjoys _____ to have a room of his own.
Which do you enjoy ____ your weekend, swimming or fishing?