Many people wrote articles on ___Liu Xiang had failed to compete in the event .
It was playing computer games _____ cost the boy plenty of time _______ he ought to have spent doing his lessons.
David is ______ animal fur, so he won’t visit anyone who has cats or dogs in the house.
John invited about 40 people to his wedding, most of ______ are family members.
—Would you mind answering some questions on shopping habits?— _____________________________.
— What are you doing this Saturday?— I'm not sure, but I go to the Rolling Stones concert.