①Today，both male and female athletes from around the world can take part.
②I am sure all Chinese must have felt proud when Xu Haifeng won the first gold medal for his country.
③Naturally，after I tell her what to do，my daughter must do the opposite!
④You should apologize to Mary for your rude remarks.
⑤Mr.Green must be a teacher，isn't he?
⑥He may come here by train，but I am not sure.
⑦Need I pay the whole amount now?
⑧There has to be a reason for his strange behaviour.
