The sudden death of Kim Jong-il(金正日) had a short-term effect on Asian trade, _______the dropping of stocks（股票） in some Asian countries.

It remains to be seen whether Qian Yunhui’s family will          the case to a higher court since the police consider it a normal traffic accident.

Leaders should be careful not to act beyond their _______ and do things against the law.

 It snowed heavily; ______, lots of flights have been put off until further notice.

I have to ____my diet rather than eat the same all the time.，so that I can keep fit.