____ him to stop smoking, but failed.

I’m sorry you’ve been waiting so long，but it’ll still be some time ________ Brian gets back

The mascot of Shanghai Expo is “Haibao”. It’s designed to ________ the Chinese character for “human”, which goes with the theme of the Expo.

The student will be suspended from school _____ he apologizes to his desk-mate before the class

Li Gang was required to apologize ________the people present at the meeting________what he had done