--- Is your father a teacher of English in No. l Middle School?--- No. But he ______ English there for ten years.
There must have been something wrong with the society _______ no one offers to help those who are in trouble.
The number of traffic accidents caused by drunk driving is _______ as the number of those caused by other reasons.
As this is a very casual get-together, you can tell them to ______ however they feel like to.
This new book of hers is believed _______ into many different languages.
_______ the fact that he _______ speak English, he spent quite a pleasant time in London.