_____ a trip abroad is certainly good for the old couple, but sometimes it is too much for them.
Every time he tried to start the car, the wheels _____ deeper into the mud.
As the storm drew near, black clouds were _____ over the sky.
The city was _____ to me, and I didn't know where to go.
The book is not _____ what we paid.
The thief ran away at the _____ of a policeman.