If you promise to go with us, ______ will be OK .
The doctor assured the patient that there was ______ with her, but she could not help worrying.
He wanted to read more, so he asked his friends if there was _______ to read.
The child dreamed that he had once lived in a _______ house in the forest.
The children all looked _____ at the broken model plane and felt quite _____.
“This book is ______ more useful for us students.” “Yes, but it is _______ too difficult.”