This building was modelled __________ the Catholic church.
I ______ sooner but I didn’ t know that they were waiting for me.
I often the words I don’ t know in the dictionary or on the Internet.
_________ is known to us all is that the 2012 Olympic Games will take place in London.
Mr. Stevenson is great to work for—I really couldn’ t ask for a _______ boss.
He made another wonderful discovery, ______ of great importance to science.