The London 2012 Olympic Games marks the third time that London ________ the right to host the modern Olympics

My father has been working on this farm for .

Teenage students who are ________computer games usually would not focus on studies .

－ What do you think of the movie－ It’s fantastic. The only pity isthat I __________ the beginning of it.

Have you returned the book to the library _______ —Yes, I have _______ retuned it.