__a high percentage of Australians may be people who watch sports rather than dothem, as far as most of its population is concerned, it is indeed a greatsporting nation

下列各句中，有语病的一句是(　　)

Everyone is different and that is ________ makes ourworld so much better

Lessons______easily are soon forgotten．

There is lots of interesting work to do here, so I _____ feel bored.