7.---Daddy, look! Why_____________rainbow is like a bow? ---Oh, it is apologizing to angry sky.
With the loss of labor,the old farmers ________at home had to choose less laborintensive crops.
—Believe it or not,my sister and I are twins.—Oh,you must have had the case________you were taken for your sister.
The tanker,which was full of petrol,________and gave off heavy and dark flames the moment a truck knocked into it.
They agreed to the plan________but there were several details they didn’t like.
—________Beijing of 2012 saw its first snowfall in the month of November.—Oh,it came as ________surprise to us.