By the time you arrive in London, we ______ in Europe for two weeks.
It is the first time that I_____ the night face to face. A. have seen B.had seen C saw. D.see
French is also ____ useful language with a long history .
. ___ is a fact that English is being accepted as an international language.
It is necessary that a college student ______at least a foreign language.
Sarah hopes to become a friend of ______shares her interests.