Didn’t it occur to you ______ we could have solved the problem in an easier way

There are __________ flowers in the square duringNational Day.

It is said that many kids are worried about the year 2012, _____ , they think the earth will be destroyed by disasters．

n the two parts of the concert is an interval, __________ the audience can buy ice-cream.

ber the first time we met, Jim — Of course I doYou in the library