Do you know how this disabled man succeeded in running such a big company— I don’t know , but I think he __________ many difficulties.

He’s never been to Canada, _______ he -_______. It’s his second time to be there.

It’s easy ________ chess.

Are you good ____ your students —Yes, I am.

下列选项中全含通假字的是（ ）（1）偭规矩而改错。 (2)忳郁邑余侘傺兮　 (3)何方圜之能周兮 (4)延伫乎吾将反 （5）长余佩之陆离 （6）箱帘六七十 （7）蒲苇纫如丝 （8）摧藏马悲哀 （9）供养卒大恩 （10）吾今且报府 （11）固时俗之工巧兮（12）终老不复取