The schools themselves admit that not all children will be successful in the jobs ______ they are being trained.
It was because of the bad weather _______ the football match had to be put off.
Tom always prefers _________ rather than _______ a bike.
The doctor insisted that I _________ more fruit and vegetables.
He appears to be strong and healthy but, __________ he suffers from a weak heart.
A number of books in the library ____ been stolen so that the number of them ____ smaller than before.