You are not supposed to get off the bus________ it stops.

o for awalk,but someone called and I couldn’t get away

The latest wave of smog(雾霾) ,_____ first swept into Shanghai and Jiangsu province on Dec. 1st ,_______ at least four car accidents due to low visibility.

Did you buy special —No ,Ibought .

WaitaminuteI’llhavemysecretary______thedocumentforyou [ ]