—The two people speak different languages and can not communicate with each other well.—Oh,I see.That’s ________ misunderstanding occurs.
An awful accident, however, _____occur the other day.
Little Jim is going to spend his holiday in Paris, _____ lives his uncle.
The person we referred to(提及)____ us a report tomorrow.
The research is so designed that once _____ nothing can be done to change it.
He wrote a lot of novels, none of _____ translated into a foreign language.