国际奥林匹克委员会已经决定第31届奥运会于2016年在里约热内卢举办。这个组织的英文简写是_________.
David is taller than _________ in his class.
Are you going to _____ them something about our new school?
Millie’s drawing is more beautiful than __________.
-- _______ is your school life like? ---It’s very colourful and interesting.
People in Britain say “lorry” while people in the USA say “____”.