The research is so designed that once _____ nothing can be done to change it.
.We admire her ______ her bravery.
.Walking alone in the deserted village, John was scared. He thought he ______Tom to go with him.
.On April Fool’s Day people often play tricks _____ others.
.--- What can I do for?--- I’d like to buy a gift for my sister’s birthday, one at a proper price but of _____ great use and it’d better be ______ surprise.
.This magazine is very _______ with young people, who like its content and style.