(2013·高考四川卷)—Why are your eyes so red You________have slept well last night.—Yeah，I stayed up late writing a report.

fire destroyed a 28-story high-rise apartment building , _______58 people with56 missing and more than 120 others ______.

It is ___________ the customers’needs that has made chain stores so popular in big cities in China

I knocked on the door several times but_______________ answered, so I left.

It was not until last year ________ he got in touch with his father in Canada