The safety of food has become one of the ________ problems in our daily life.( )
A.importantB.more important
C.most important
—How much is the white coat? —It’s_____yuan.
After the Olympics, people came to this city for a visit.
There are ________people in the square.
—Mike, it is the ________ time in ______ days that you’ve made the same mistake. —Sorry, sir. I’ll be more careful next time.
Please turn to page _________ and look at the __________picture in this unit.